summaryrefslogtreecommitdiff
path: root/net/wireless
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-10 01:24:39 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-10 01:24:39 (GMT)
commit496322bc91e35007ed754184dcd447a02b6dd685 (patch)
treef5298d0a74c0a6e65c0e98050b594b8d020904c1 /net/wireless
parent2e17c5a97e231f3cb426f4b7895eab5be5c5442e (diff)
parent56e0ef527b184b3de2d7f88c6190812b2b2ac6bf (diff)
downloadlinux-fsl-qoriq-496322bc91e35007ed754184dcd447a02b6dd685.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "This is a re-do of the net-next pull request for the current merge window. The only difference from the one I made the other day is that this has Eliezer's interface renames and the timeout handling changes made based upon your feedback, as well as a few bug fixes that have trickeled in. Highlights: 1) Low latency device polling, eliminating the cost of interrupt handling and context switches. Allows direct polling of a network device from socket operations, such as recvmsg() and poll(). Currently ixgbe, mlx4, and bnx2x support this feature. Full high level description, performance numbers, and design in commit 0a4db187a999 ("Merge branch 'll_poll'") From Eliezer Tamir. 2) With the routing cache removed, ip_check_mc_rcu() gets exercised more than ever before in the case where we have lots of multicast addresses. Use a hash table instead of a simple linked list, from Eric Dumazet. 3) Add driver for Atheros CQA98xx 802.11ac wireless devices, from Bartosz Markowski, Janusz Dziedzic, Kalle Valo, Marek Kwaczynski, Marek Puzyniak, Michal Kazior, and Sujith Manoharan. 4) Support reporting the TUN device persist flag to userspace, from Pavel Emelyanov. 5) Allow controlling network device VF link state using netlink, from Rony Efraim. 6) Support GRE tunneling in openvswitch, from Pravin B Shelar. 7) Adjust SOCK_MIN_RCVBUF and SOCK_MIN_SNDBUF for modern times, from Daniel Borkmann and Eric Dumazet. 8) Allow controlling of TCP quickack behavior on a per-route basis, from Cong Wang. 9) Several bug fixes and improvements to vxlan from Stephen Hemminger, Pravin B Shelar, and Mike Rapoport. In particular, support receiving on multiple UDP ports. 10) Major cleanups, particular in the area of debugging and cookie lifetime handline, to the SCTP protocol code. From Daniel Borkmann. 11) Allow packets to cross network namespaces when traversing tunnel devices. From Nicolas Dichtel. 12) Allow monitoring netlink traffic via AF_PACKET sockets, in a manner akin to how we monitor real network traffic via ptype_all. From Daniel Borkmann. 13) Several bug fixes and improvements for the new alx device driver, from Johannes Berg. 14) Fix scalability issues in the netem packet scheduler's time queue, by using an rbtree. From Eric Dumazet. 15) Several bug fixes in TCP loss recovery handling, from Yuchung Cheng. 16) Add support for GSO segmentation of MPLS packets, from Simon Horman. 17) Make network notifiers have a real data type for the opaque pointer that's passed into them. Use this to properly handle network device flag changes in arp_netdev_event(). From Jiri Pirko and Timo Teräs. 18) Convert several drivers over to module_pci_driver(), from Peter Huewe. 19) tcp_fixup_rcvbuf() can loop 500 times over loopback, just use a O(1) calculation instead. From Eric Dumazet. 20) Support setting of explicit tunnel peer addresses in ipv6, just like ipv4. From Nicolas Dichtel. 21) Protect x86 BPF JIT against spraying attacks, from Eric Dumazet. 22) Prevent a single high rate flow from overruning an individual cpu during RX packet processing via selective flow shedding. From Willem de Bruijn. 23) Don't use spinlocks in TCP md5 signing fast paths, from Eric Dumazet. 24) Don't just drop GSO packets which are above the TBF scheduler's burst limit, chop them up so they are in-bounds instead. Also from Eric Dumazet. 25) VLAN offloads are missed when configured on top of a bridge, fix from Vlad Yasevich. 26) Support IPV6 in ping sockets. From Lorenzo Colitti. 27) Receive flow steering targets should be updated at poll() time too, from David Majnemer. 28) Fix several corner case regressions in PMTU/redirect handling due to the routing cache removal, from Timo Teräs. 29) We have to be mindful of ipv4 mapped ipv6 sockets in upd_v6_push_pending_frames(). From Hannes Frederic Sowa. 30) Fix L2TP sequence number handling bugs, from James Chapman." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1214 commits) drivers/net: caif: fix wrong rtnl_is_locked() usage drivers/net: enic: release rtnl_lock on error-path vhost-net: fix use-after-free in vhost_net_flush net: mv643xx_eth: do not use port number as platform device id net: sctp: confirm route during forward progress virtio_net: fix race in RX VQ processing virtio: support unlocked queue poll net/cadence/macb: fix bug/typo in extracting gem_irq_read_clear bit Documentation: Fix references to defunct linux-net@vger.kernel.org net/fs: change busy poll time accounting net: rename low latency sockets functions to busy poll bridge: fix some kernel warning in multicast timer sfc: Fix memory leak when discarding scattered packets sit: fix tunnel update via netlink dt:net:stmmac: Add dt specific phy reset callback support. dt:net:stmmac: Add support to dwmac version 3.610 and 3.710 dt:net:stmmac: Allocate platform data only if its NULL. net:stmmac: fix memleak in the open method ipv6: rt6_check_neigh should successfully verify neigh if no NUD information are available net: ipv6: fix wrong ping_v6_sendmsg return value ...
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/chan.c57
-rw-r--r--net/wireless/core.c270
-rw-r--r--net/wireless/core.h123
-rw-r--r--net/wireless/debugfs.c4
-rw-r--r--net/wireless/ibss.c16
-rw-r--r--net/wireless/mesh.c15
-rw-r--r--net/wireless/mlme.c433
-rw-r--r--net/wireless/nl80211.c814
-rw-r--r--net/wireless/reg.c138
-rw-r--r--net/wireless/scan.c51
-rw-r--r--net/wireless/sme.c652
-rw-r--r--net/wireless/sysfs.c8
-rw-r--r--net/wireless/trace.h46
-rw-r--r--net/wireless/util.c39
-rw-r--r--net/wireless/wext-compat.c22
-rw-r--r--net/wireless/wext-sme.c49
16 files changed, 1185 insertions, 1552 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index fd556ac..50f6195 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -54,6 +54,8 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
control_freq = chandef->chan->center_freq;
switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
case NL80211_CHAN_WIDTH_20:
case NL80211_CHAN_WIDTH_20_NOHT:
if (chandef->center_freq1 != control_freq)
@@ -152,6 +154,12 @@ static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
int width;
switch (c->width) {
+ case NL80211_CHAN_WIDTH_5:
+ width = 5;
+ break;
+ case NL80211_CHAN_WIDTH_10:
+ width = 10;
+ break;
case NL80211_CHAN_WIDTH_20:
case NL80211_CHAN_WIDTH_20_NOHT:
width = 20;
@@ -194,6 +202,16 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1,
if (c1->width == c2->width)
return NULL;
+ /*
+ * can't be compatible if one of them is 5 or 10 MHz,
+ * but they don't have the same width.
+ */
+ if (c1->width == NL80211_CHAN_WIDTH_5 ||
+ c1->width == NL80211_CHAN_WIDTH_10 ||
+ c2->width == NL80211_CHAN_WIDTH_5 ||
+ c2->width == NL80211_CHAN_WIDTH_10)
+ return NULL;
+
if (c1->width == NL80211_CHAN_WIDTH_20_NOHT ||
c1->width == NL80211_CHAN_WIDTH_20)
return c2;
@@ -264,11 +282,17 @@ static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy,
u32 bandwidth)
{
struct ieee80211_channel *c;
- u32 freq;
+ u32 freq, start_freq, end_freq;
+
+ if (bandwidth <= 20) {
+ start_freq = center_freq;
+ end_freq = center_freq;
+ } else {
+ start_freq = center_freq - bandwidth/2 + 10;
+ end_freq = center_freq + bandwidth/2 - 10;
+ }
- for (freq = center_freq - bandwidth/2 + 10;
- freq <= center_freq + bandwidth/2 - 10;
- freq += 20) {
+ for (freq = start_freq; freq <= end_freq; freq += 20) {
c = ieee80211_get_channel(wiphy, freq);
if (!c)
return -EINVAL;
@@ -310,11 +334,17 @@ static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
u32 prohibited_flags)
{
struct ieee80211_channel *c;
- u32 freq;
+ u32 freq, start_freq, end_freq;
+
+ if (bandwidth <= 20) {
+ start_freq = center_freq;
+ end_freq = center_freq;
+ } else {
+ start_freq = center_freq - bandwidth/2 + 10;
+ end_freq = center_freq + bandwidth/2 - 10;
+ }
- for (freq = center_freq - bandwidth/2 + 10;
- freq <= center_freq + bandwidth/2 - 10;
- freq += 20) {
+ for (freq = start_freq; freq <= end_freq; freq += 20) {
c = ieee80211_get_channel(wiphy, freq);
if (!c)
return false;
@@ -349,6 +379,12 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
control_freq = chandef->chan->center_freq;
switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_5:
+ width = 5;
+ break;
+ case NL80211_CHAN_WIDTH_10:
+ width = 10;
+ break;
case NL80211_CHAN_WIDTH_20:
if (!ht_cap->ht_supported)
return false;
@@ -405,6 +441,11 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
if (width > 20)
prohibited_flags |= IEEE80211_CHAN_NO_OFDM;
+ /* 5 and 10 MHz are only defined for the OFDM PHY */
+ if (width < 20)
+ prohibited_flags |= IEEE80211_CHAN_NO_OFDM;
+
+
if (!cfg80211_secondary_chans_ok(wiphy, chandef->center_freq1,
width, prohibited_flags))
return false;
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 73405e0..4f9f216 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -34,13 +34,12 @@
MODULE_AUTHOR("Johannes Berg");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("wireless configuration support");
+MODULE_ALIAS_GENL_FAMILY(NL80211_GENL_NAME);
-/* RCU-protected (and cfg80211_mutex for writers) */
+/* RCU-protected (and RTNL for writers) */
LIST_HEAD(cfg80211_rdev_list);
int cfg80211_rdev_list_generation;
-DEFINE_MUTEX(cfg80211_mutex);
-
/* for debugfs */
static struct dentry *ieee80211_debugfs_dir;
@@ -52,12 +51,11 @@ module_param(cfg80211_disable_40mhz_24ghz, bool, 0644);
MODULE_PARM_DESC(cfg80211_disable_40mhz_24ghz,
"Disable 40MHz support in the 2.4GHz band");
-/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
{
struct cfg80211_registered_device *result = NULL, *rdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (rdev->wiphy_idx == wiphy_idx) {
@@ -76,12 +74,11 @@ int get_wiphy_idx(struct wiphy *wiphy)
return rdev->wiphy_idx;
}
-/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
{
struct cfg80211_registered_device *rdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
rdev = cfg80211_rdev_by_wiphy_idx(wiphy_idx);
if (!rdev)
@@ -89,35 +86,13 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
return &rdev->wiphy;
}
-struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
-{
- struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
- struct net_device *dev;
-
- mutex_lock(&cfg80211_mutex);
- dev = dev_get_by_index(net, ifindex);
- if (!dev)
- goto out;
- if (dev->ieee80211_ptr) {
- rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
- mutex_lock(&rdev->mtx);
- } else
- rdev = ERR_PTR(-ENODEV);
- dev_put(dev);
- out:
- mutex_unlock(&cfg80211_mutex);
- return rdev;
-}
-
-/* requires cfg80211_mutex to be held */
int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
char *newname)
{
struct cfg80211_registered_device *rdev2;
int wiphy_idx, taken = -1, result, digits;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
/* prohibit calling the thing phy%d when %d is not its number */
sscanf(newname, PHY_NAME "%d%n", &wiphy_idx, &taken);
@@ -215,8 +190,7 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
{
- lockdep_assert_held(&rdev->devlist_mtx);
- lockdep_assert_held(&rdev->sched_scan_mtx);
+ ASSERT_RTNL();
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_P2P_DEVICE))
return;
@@ -230,18 +204,15 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
rdev->opencount--;
if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
- bool busy = work_busy(&rdev->scan_done_wk);
-
/*
- * If the work isn't pending or running (in which case it would
- * be waiting for the lock we hold) the driver didn't properly
- * cancel the scan when the interface was removed. In this case
- * warn and leak the scan request object to not crash later.
+ * If the scan request wasn't notified as done, set it
+ * to aborted and leak it after a warning. The driver
+ * should have notified us that it ended at the latest
+ * during rdev_stop_p2p_device().
*/
- WARN_ON(!busy);
-
- rdev->scan_req->aborted = true;
- ___cfg80211_scan_done(rdev, !busy);
+ if (WARN_ON(!rdev->scan_req->notified))
+ rdev->scan_req->aborted = true;
+ ___cfg80211_scan_done(rdev, !rdev->scan_req->notified);
}
}
@@ -255,8 +226,6 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
rtnl_lock();
- /* read-only iteration need not hold the devlist_mtx */
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->netdev) {
dev_close(wdev->netdev);
@@ -265,12 +234,7 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
/* otherwise, check iftype */
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_DEVICE:
- /* but this requires it */
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
cfg80211_stop_p2p_device(rdev, wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
break;
default:
break;
@@ -298,10 +262,7 @@ static void cfg80211_event_work(struct work_struct *work)
event_work);
rtnl_lock();
- cfg80211_lock_rdev(rdev);
-
cfg80211_process_rdev_events(rdev);
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
@@ -309,7 +270,7 @@ static void cfg80211_event_work(struct work_struct *work)
struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
{
- static int wiphy_counter;
+ static atomic_t wiphy_counter = ATOMIC_INIT(0);
struct cfg80211_registered_device *rdev;
int alloc_size;
@@ -331,26 +292,21 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
rdev->ops = ops;
- mutex_lock(&cfg80211_mutex);
-
- rdev->wiphy_idx = wiphy_counter++;
+ rdev->wiphy_idx = atomic_inc_return(&wiphy_counter);
if (unlikely(rdev->wiphy_idx < 0)) {
- wiphy_counter--;
- mutex_unlock(&cfg80211_mutex);
/* ugh, wrapped! */
+ atomic_dec(&wiphy_counter);
kfree(rdev);
return NULL;
}
- mutex_unlock(&cfg80211_mutex);
+ /* atomic_inc_return makes it start at 1, make it start at 0 */
+ rdev->wiphy_idx--;
/* give it a proper name */
dev_set_name(&rdev->wiphy.dev, PHY_NAME "%d", rdev->wiphy_idx);
- mutex_init(&rdev->mtx);
- mutex_init(&rdev->devlist_mtx);
- mutex_init(&rdev->sched_scan_mtx);
INIT_LIST_HEAD(&rdev->wdev_list);
INIT_LIST_HEAD(&rdev->beacon_registrations);
spin_lock_init(&rdev->beacon_registrations_lock);
@@ -496,8 +452,13 @@ int wiphy_register(struct wiphy *wiphy)
u16 ifmodes = wiphy->interface_modes;
#ifdef CONFIG_PM
- if (WARN_ON((wiphy->wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
- !(wiphy->wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)))
+ if (WARN_ON(wiphy->wowlan &&
+ (wiphy->wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
+ !(wiphy->wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)))
+ return -EINVAL;
+ if (WARN_ON(wiphy->wowlan &&
+ !wiphy->wowlan->flags && !wiphy->wowlan->n_patterns &&
+ !wiphy->wowlan->tcp))
return -EINVAL;
#endif
@@ -587,25 +548,28 @@ int wiphy_register(struct wiphy *wiphy)
}
#ifdef CONFIG_PM
- if (rdev->wiphy.wowlan.n_patterns) {
- if (WARN_ON(!rdev->wiphy.wowlan.pattern_min_len ||
- rdev->wiphy.wowlan.pattern_min_len >
- rdev->wiphy.wowlan.pattern_max_len))
- return -EINVAL;
- }
+ if (WARN_ON(rdev->wiphy.wowlan && rdev->wiphy.wowlan->n_patterns &&
+ (!rdev->wiphy.wowlan->pattern_min_len ||
+ rdev->wiphy.wowlan->pattern_min_len >
+ rdev->wiphy.wowlan->pattern_max_len)))
+ return -EINVAL;
#endif
/* check and set up bitrates */
ieee80211_set_bitrate_flags(wiphy);
- mutex_lock(&cfg80211_mutex);
res = device_add(&rdev->wiphy.dev);
+ if (res)
+ return res;
+
+ res = rfkill_register(rdev->rfkill);
if (res) {
- mutex_unlock(&cfg80211_mutex);
+ device_del(&rdev->wiphy.dev);
return res;
}
+ rtnl_lock();
/* set up regulatory info */
wiphy_regulatory_register(wiphy);
@@ -631,25 +595,7 @@ int wiphy_register(struct wiphy *wiphy)
}
cfg80211_debugfs_rdev_add(rdev);
- mutex_unlock(&cfg80211_mutex);
-
- /*
- * due to a locking dependency this has to be outside of the
- * cfg80211_mutex lock
- */
- res = rfkill_register(rdev->rfkill);
- if (res) {
- device_del(&rdev->wiphy.dev);
-
- mutex_lock(&cfg80211_mutex);
- debugfs_remove_recursive(rdev->wiphy.debugfsdir);
- list_del_rcu(&rdev->list);
- wiphy_regulatory_deregister(wiphy);
- mutex_unlock(&cfg80211_mutex);
- return res;
- }
- rtnl_lock();
rdev->wiphy.registered = true;
rtnl_unlock();
return 0;
@@ -679,25 +625,19 @@ void wiphy_unregister(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- rtnl_lock();
- rdev->wiphy.registered = false;
- rtnl_unlock();
-
- rfkill_unregister(rdev->rfkill);
-
- /* protect the device list */
- mutex_lock(&cfg80211_mutex);
-
wait_event(rdev->dev_wait, ({
int __count;
- mutex_lock(&rdev->devlist_mtx);
+ rtnl_lock();
__count = rdev->opencount;
- mutex_unlock(&rdev->devlist_mtx);
+ rtnl_unlock();
__count == 0; }));
- mutex_lock(&rdev->devlist_mtx);
+ rfkill_unregister(rdev->rfkill);
+
+ rtnl_lock();
+ rdev->wiphy.registered = false;
+
BUG_ON(!list_empty(&rdev->wdev_list));
- mutex_unlock(&rdev->devlist_mtx);
/*
* First remove the hardware from everywhere, this makes
@@ -708,20 +648,6 @@ void wiphy_unregister(struct wiphy *wiphy)
synchronize_rcu();
/*
- * Try to grab rdev->mtx. If a command is still in progress,
- * hopefully the driver will refuse it since it's tearing
- * down the device already. We wait for this command to complete
- * before unlinking the item from the list.
- * Note: as codified by the BUG_ON above we cannot get here if
- * a virtual interface is still present. Hence, we can only get
- * to lock contention here if userspace issues a command that
- * identified the hardware by wiphy index.
- */
- cfg80211_lock_rdev(rdev);
- /* nothing */
- cfg80211_unlock_rdev(rdev);
-
- /*
* If this device got a regulatory hint tell core its
* free to listen now to a new shiny device regulatory hint
*/
@@ -730,15 +656,17 @@ void wiphy_unregister(struct wiphy *wiphy)
cfg80211_rdev_list_generation++;
device_del(&rdev->wiphy.dev);
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
flush_work(&rdev->scan_done_wk);
cancel_work_sync(&rdev->conn_work);
flush_work(&rdev->event_work);
cancel_delayed_work_sync(&rdev->dfs_update_channels_wk);
- if (rdev->wowlan && rdev->ops->set_wakeup)
+#ifdef CONFIG_PM
+ if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup)
rdev_set_wakeup(rdev, false);
+#endif
cfg80211_rdev_free_wowlan(rdev);
}
EXPORT_SYMBOL(wiphy_unregister);
@@ -748,9 +676,6 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
struct cfg80211_internal_bss *scan, *tmp;
struct cfg80211_beacon_registration *reg, *treg;
rfkill_destroy(rdev->rfkill);
- mutex_destroy(&rdev->mtx);
- mutex_destroy(&rdev->devlist_mtx);
- mutex_destroy(&rdev->sched_scan_mtx);
list_for_each_entry_safe(reg, treg, &rdev->beacon_registrations, list) {
list_del(&reg->list);
kfree(reg);
@@ -775,36 +700,6 @@ void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked)
}
EXPORT_SYMBOL(wiphy_rfkill_set_hw_state);
-static void wdev_cleanup_work(struct work_struct *work)
-{
- struct wireless_dev *wdev;
- struct cfg80211_registered_device *rdev;
-
- wdev = container_of(work, struct wireless_dev, cleanup_work);
- rdev = wiphy_to_dev(wdev->wiphy);
-
- mutex_lock(&rdev->sched_scan_mtx);
-
- if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
- rdev->scan_req->aborted = true;
- ___cfg80211_scan_done(rdev, true);
- }
-
- if (WARN_ON(rdev->sched_scan_req &&
- rdev->sched_scan_req->dev == wdev->netdev)) {
- __cfg80211_stop_sched_scan(rdev, false);
- }
-
- mutex_unlock(&rdev->sched_scan_mtx);
-
- mutex_lock(&rdev->devlist_mtx);
- rdev->opencount--;
- mutex_unlock(&rdev->devlist_mtx);
- wake_up(&rdev->dev_wait);
-
- dev_put(wdev->netdev);
-}
-
void cfg80211_unregister_wdev(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
@@ -814,8 +709,6 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
if (WARN_ON(wdev->netdev))
return;
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
list_del_rcu(&wdev->list);
rdev->devlist_generation++;
@@ -827,8 +720,6 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
WARN_ON_ONCE(1);
break;
}
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
}
EXPORT_SYMBOL(cfg80211_unregister_wdev);
@@ -847,7 +738,7 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
}
void cfg80211_leave(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev)
+ struct wireless_dev *wdev)
{
struct net_device *dev = wdev->netdev;
@@ -857,9 +748,7 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
- mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
@@ -868,8 +757,8 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
wdev->wext.ie_len = 0;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
- __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, true);
+ cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, true);
wdev_unlock(wdev);
break;
case NL80211_IFTYPE_MESH_POINT:
@@ -886,10 +775,9 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
}
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
- unsigned long state,
- void *ndev)
+ unsigned long state, void *ptr)
{
- struct net_device *dev = ndev;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev;
int ret;
@@ -912,13 +800,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
* are added with nl80211.
*/
mutex_init(&wdev->mtx);
- INIT_WORK(&wdev->cleanup_work, wdev_cleanup_work);
INIT_LIST_HEAD(&wdev->event_list);
spin_lock_init(&wdev->event_lock);
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- mutex_lock(&rdev->devlist_mtx);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
@@ -930,8 +816,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
pr_err("failed to add phy80211 symlink to netdev!\n");
}
wdev->netdev = dev;
- wdev->sme_state = CFG80211_SME_IDLE;
- mutex_unlock(&rdev->devlist_mtx);
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
@@ -957,26 +841,22 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
break;
case NETDEV_DOWN:
cfg80211_update_iface_num(rdev, wdev->iftype, -1);
- dev_hold(dev);
- queue_work(cfg80211_wq, &wdev->cleanup_work);
+ if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
+ if (WARN_ON(!rdev->scan_req->notified))
+ rdev->scan_req->aborted = true;
+ ___cfg80211_scan_done(rdev, true);
+ }
+
+ if (WARN_ON(rdev->sched_scan_req &&
+ rdev->sched_scan_req->dev == wdev->netdev)) {
+ __cfg80211_stop_sched_scan(rdev, false);
+ }
+
+ rdev->opencount--;
+ wake_up(&rdev->dev_wait);
break;
case NETDEV_UP:
- /*
- * If we have a really quick DOWN/UP succession we may
- * have this work still pending ... cancel it and see
- * if it was pending, in which case we need to account
- * for some of the work it would have done.
- */
- if (cancel_work_sync(&wdev->cleanup_work)) {
- mutex_lock(&rdev->devlist_mtx);
- rdev->opencount--;
- mutex_unlock(&rdev->devlist_mtx);
- dev_put(dev);
- }
cfg80211_update_iface_num(rdev, wdev->iftype, 1);
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
switch (wdev->iftype) {
#ifdef CONFIG_CFG80211_WEXT
@@ -1008,10 +888,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
break;
}
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
rdev->opencount++;
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
/*
* Configure power management to the driver here so that its
@@ -1028,12 +905,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
break;
case NETDEV_UNREGISTER:
/*
- * NB: cannot take rdev->mtx here because this may be
- * called within code protected by it when interfaces
- * are removed with nl80211.
- */
- mutex_lock(&rdev->devlist_mtx);
- /*
* It is possible to get NETDEV_UNREGISTER
* multiple times. To detect that, check
* that the interface is still on the list
@@ -1049,7 +920,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
kfree(wdev->wext.keys);
#endif
}
- mutex_unlock(&rdev->devlist_mtx);
/*
* synchronise (so that we won't find this netdev
* from other code any more) and then clear the list
@@ -1063,15 +933,19 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
* freed.
*/
cfg80211_process_wdev_events(wdev);
+
+ if (WARN_ON(wdev->current_bss)) {
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
+ wdev->current_bss = NULL;
+ }
break;
case NETDEV_PRE_UP:
if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))
return notifier_from_errno(-EOPNOTSUPP);
if (rfkill_blocked(rdev->rfkill))
return notifier_from_errno(-ERFKILL);
- mutex_lock(&rdev->devlist_mtx);
ret = cfg80211_can_add_interface(rdev, wdev->iftype);
- mutex_unlock(&rdev->devlist_mtx);
if (ret)
return notifier_from_errno(ret);
break;
@@ -1089,12 +963,10 @@ static void __net_exit cfg80211_pernet_exit(struct net *net)
struct cfg80211_registered_device *rdev;
rtnl_lock();
- mutex_lock(&cfg80211_mutex);
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (net_eq(wiphy_net(&rdev->wiphy), net))
WARN_ON(cfg80211_switch_netns(rdev, &init_net));
}
- mutex_unlock(&cfg80211_mutex);
rtnl_unlock();
}
diff --git a/net/wireless/core.h b/net/wireless/core.h
index fd35dae..a6b45bf 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -5,7 +5,6 @@
*/
#ifndef __NET_WIRELESS_CORE_H
#define __NET_WIRELESS_CORE_H
-#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/rbtree.h>
@@ -23,11 +22,6 @@
struct cfg80211_registered_device {
const struct cfg80211_ops *ops;
struct list_head list;
- /* we hold this mutex during any call so that
- * we cannot do multiple calls at once, and also
- * to avoid the deregister call to proceed while
- * any call is in progress */
- struct mutex mtx;
/* rfkill support */
struct rfkill_ops rfkill_ops;
@@ -49,9 +43,7 @@ struct cfg80211_registered_device {
/* wiphy index, internal only */
int wiphy_idx;
- /* associated wireless interfaces */
- struct mutex devlist_mtx;
- /* protected by devlist_mtx or RCU */
+ /* associated wireless interfaces, protected by rtnl or RCU */
struct list_head wdev_list;
int devlist_generation, wdev_id;
int opencount; /* also protected by devlist_mtx */
@@ -75,8 +67,6 @@ struct cfg80211_registered_device {
struct work_struct scan_done_wk;
struct work_struct sched_scan_results_wk;
- struct mutex sched_scan_mtx;
-
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
#endif
@@ -84,8 +74,6 @@ struct cfg80211_registered_device {
struct work_struct conn_work;
struct work_struct event_work;
- struct cfg80211_wowlan *wowlan;
-
struct delayed_work dfs_update_channels_wk;
/* netlink port which started critical protocol (0 means not started) */
@@ -106,29 +94,26 @@ struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
static inline void
cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
{
+#ifdef CONFIG_PM
int i;
- if (!rdev->wowlan)
+ if (!rdev->wiphy.wowlan_config)
return;
- for (i = 0; i < rdev->wowlan->n_patterns; i++)
- kfree(rdev->wowlan->patterns[i].mask);
- kfree(rdev->wowlan->patterns);
- if (rdev->wowlan->tcp && rdev->wowlan->tcp->sock)
- sock_release(rdev->wowlan->tcp->sock);
- kfree(rdev->wowlan->tcp);
- kfree(rdev->wowlan);
+ for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
+ kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
+ kfree(rdev->wiphy.wowlan_config->patterns);
+ if (rdev->wiphy.wowlan_config->tcp &&
+ rdev->wiphy.wowlan_config->tcp->sock)
+ sock_release(rdev->wiphy.wowlan_config->tcp->sock);
+ kfree(rdev->wiphy.wowlan_config->tcp);
+ kfree(rdev->wiphy.wowlan_config);
+#endif
}
extern struct workqueue_struct *cfg80211_wq;
-extern struct mutex cfg80211_mutex;
extern struct list_head cfg80211_rdev_list;
extern int cfg80211_rdev_list_generation;
-static inline void assert_cfg80211_lock(void)
-{
- lockdep_assert_held(&cfg80211_mutex);
-}
-
struct cfg80211_internal_bss {
struct list_head list;
struct list_head hidden_list;
@@ -161,27 +146,11 @@ static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
int get_wiphy_idx(struct wiphy *wiphy);
-/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
-/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
-extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
-
int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct net *net);
-static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
-{
- mutex_lock(&rdev->mtx);
-}
-
-static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
-{
- BUG_ON(IS_ERR(rdev) || !rdev);
- mutex_unlock(&rdev->mtx);
-}
-
static inline void wdev_lock(struct wireless_dev *wdev)
__acquires(wdev)
{
@@ -196,7 +165,7 @@ static inline void wdev_unlock(struct wireless_dev *wdev)
mutex_unlock(&wdev->mtx);
}
-#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
+#define ASSERT_RDEV_LOCK(rdev) ASSERT_RTNL()
#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
@@ -314,38 +283,21 @@ int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev);
/* MLME */
-int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- const u8 *sae_data, int sae_data_len);
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type, const u8 *bssid,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
const u8 *key, int key_len, int key_idx,
const u8 *sae_data, int sae_data_len);
-int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req);
int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct ieee80211_channel *chan,
const u8 *bssid,
const u8 *ssid, int ssid_len,
struct cfg80211_assoc_request *req);
-int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change);
int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
const u8 *ie, int ie_len, u16 reason,
@@ -356,11 +308,6 @@ int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
bool local_state_change);
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev);
-void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
- const u8 *req_ie, size_t req_ie_len,
- const u8 *resp_ie, size_t resp_ie_len,
- u16 status, bool wextev,
- struct cfg80211_bss *bss);
int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
u16 frame_type, const u8 *match_data,
int match_len);
@@ -376,19 +323,19 @@ void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
const struct ieee80211_vht_cap *vht_capa_mask);
-/* SME */
-int __cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys,
- const u8 *prev_bssid);
+/* SME events */
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys);
-int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev, u16 reason,
- bool wextev);
+ struct cfg80211_cached_keys *connkeys,
+ const u8 *prev_bssid);
+void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, bool wextev,
+ struct cfg80211_bss *bss);
+void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
+ size_t ie_len, u16 reason, bool from_ap);
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason,
bool wextev);
@@ -399,21 +346,21 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
+/* SME implementation */
void cfg80211_conn_work(struct work_struct *work);
-void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
-bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
+void cfg80211_sme_scan_done(struct net_device *dev);
+bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
+void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
+void cfg80211_sme_disassoc(struct wireless_dev *wdev);
+void cfg80211_sme_deauth(struct wireless_dev *wdev);
+void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
+void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
/* internal helpers */
bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
struct key_params *params, int key_idx,
bool pairwise, const u8 *mac_addr);
-void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
- size_t ie_len, u16 reason, bool from_ap);
-void cfg80211_sme_scan_done(struct net_device *dev);
-void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
-void cfg80211_sme_disassoc(struct net_device *dev,
- struct cfg80211_internal_bss *bss);
void __cfg80211_scan_done(struct work_struct *wk);
void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
void __cfg80211_sched_scan_results(struct work_struct *wk);
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 920cabe..90d0500 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -74,7 +74,7 @@ static ssize_t ht40allow_map_read(struct file *file,
if (!buf)
return -ENOMEM;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
sband = wiphy->bands[band];
@@ -85,7 +85,7 @@ static ssize_t ht40allow_map_read(struct file *file,
buf, buf_size, offset);
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
r = simple_read_from_buffer(user_buf, count, ppos, buf, offset);
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index d80e471..39bff7d 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -43,7 +43,6 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
cfg80211_hold_bss(bss_from_pub(bss));
wdev->current_bss = bss_from_pub(bss);
- wdev->sme_state = CFG80211_SME_CONNECTED;
cfg80211_upload_connect_keys(wdev);
nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid,
@@ -64,8 +63,6 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
trace_cfg80211_ibss_joined(dev, bssid);
- CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING);
-
ev = kzalloc(sizeof(*ev), gfp);
if (!ev)
return;
@@ -120,7 +117,6 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.ibss.chandef = params->chandef;
#endif
- wdev->sme_state = CFG80211_SME_CONNECTING;
err = cfg80211_can_use_chan(rdev, wdev, params->chandef.chan,
params->channel_fixed
@@ -134,7 +130,6 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
err = rdev_join_ibss(rdev, dev, params);
if (err) {
wdev->connect_keys = NULL;
- wdev->sme_state = CFG80211_SME_IDLE;
return err;
}
@@ -152,11 +147,11 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- mutex_lock(&rdev->devlist_mtx);
+ ASSERT_RTNL();
+
wdev_lock(wdev);
err = __cfg80211_join_ibss(rdev, dev, params, connkeys);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -186,7 +181,6 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
}
wdev->current_bss = NULL;
- wdev->sme_state = CFG80211_SME_IDLE;
wdev->ssid_len = 0;
#ifdef CONFIG_CFG80211_WEXT
if (!nowext)
@@ -359,11 +353,9 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
wdev->wext.ibss.channel_fixed = false;
}
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_ibss_wext_join(rdev, wdev);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -429,11 +421,9 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
memcpy(wdev->wext.ibss.ssid, ssid, len);
wdev->wext.ibss.ssid_len = len;
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_ibss_wext_join(rdev, wdev);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -512,11 +502,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
} else
wdev->wext.ibss.bssid = NULL;
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_ibss_wext_join(rdev, wdev);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 0bb93f3..30c4920 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -18,6 +18,7 @@
#define MESH_PATH_TO_ROOT_TIMEOUT 6000
#define MESH_ROOT_INTERVAL 5000
#define MESH_ROOT_CONFIRMATION_INTERVAL 2000
+#define MESH_DEFAULT_PLINK_TIMEOUT 1800 /* timeout in seconds */
/*
* Minimum interval between two consecutive PREQs originated by the same
@@ -75,6 +76,7 @@ const struct mesh_config default_mesh_config = {
.dot11MeshHWMPconfirmationInterval = MESH_ROOT_CONFIRMATION_INTERVAL,
.power_mode = NL80211_MESH_POWER_ACTIVE,
.dot11MeshAwakeWindowDuration = MESH_DEFAULT_AWAKE_WINDOW,
+ .plink_timeout = MESH_DEFAULT_PLINK_TIMEOUT,
};
const struct mesh_setup default_mesh_setup = {
@@ -82,6 +84,7 @@ const struct mesh_setup default_mesh_setup = {
.sync_method = IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET,
.path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
.path_metric = IEEE80211_PATH_METRIC_AIRTIME,
+ .auth_id = 0, /* open */
.ie = NULL,
.ie_len = 0,
.is_secure = false,
@@ -159,6 +162,16 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
setup->chandef.center_freq1 = setup->chandef.chan->center_freq;
}
+ /*
+ * check if basic rates are available otherwise use mandatory rates as
+ * basic rates
+ */
+ if (!setup->basic_rates) {
+ struct ieee80211_supported_band *sband =
+ rdev->wiphy.bands[setup->chandef.chan->band];
+ setup->basic_rates = ieee80211_mandatory_rates(sband);
+ }
+
if (!cfg80211_reg_can_beacon(&rdev->wiphy, &setup->chandef))
return -EINVAL;
@@ -185,11 +198,9 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = __cfg80211_join_mesh(rdev, dev, setup, conf);
wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 0c7b7dd..bfac5e1 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -18,37 +18,18 @@
#include "rdev-ops.h"
-void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
-
- trace_cfg80211_send_rx_auth(dev);
- wdev_lock(wdev);
-
- nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
- cfg80211_sme_rx_auth(dev, buf, len);
-
- wdev_unlock(wdev);
-}
-EXPORT_SYMBOL(cfg80211_send_rx_auth);
-
-void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
+void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss,
const u8 *buf, size_t len)
{
- u16 status_code;
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
u8 *ie = mgmt->u.assoc_resp.variable;
int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
+ u16 status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
trace_cfg80211_send_rx_assoc(dev, bss);
- wdev_lock(wdev);
-
- status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
/*
* This is a bit of a hack, we don't notify userspace of
@@ -56,174 +37,135 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss,
* and got a reject -- we only try again with an assoc
* frame instead of reassoc.
*/
- if (status_code != WLAN_STATUS_SUCCESS && wdev->conn &&
- cfg80211_sme_failed_reassoc(wdev)) {
+ if (cfg80211_sme_rx_assoc_resp(wdev, status_code)) {
+ cfg80211_unhold_bss(bss_from_pub(bss));
cfg80211_put_bss(wiphy, bss);
- goto out;
+ return;
}
nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL);
-
- if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) {
- cfg80211_sme_failed_assoc(wdev);
- /*
- * do not call connect_result() now because the
- * sme will schedule work that does it later.
- */
- cfg80211_put_bss(wiphy, bss);
- goto out;
- }
-
- if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {
- /*
- * This is for the userspace SME, the CONNECTING
- * state will be changed to CONNECTED by
- * __cfg80211_connect_result() below.
- */
- wdev->sme_state = CFG80211_SME_CONNECTING;
- }
-
- /* this consumes the bss reference */
+ /* update current_bss etc., consumes the bss reference */
__cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs,
status_code,
status_code == WLAN_STATUS_SUCCESS, bss);
- out:
- wdev_unlock(wdev);
}
-EXPORT_SYMBOL(cfg80211_send_rx_assoc);
+EXPORT_SYMBOL(cfg80211_rx_assoc_resp);
-void __cfg80211_send_deauth(struct net_device *dev,
- const u8 *buf, size_t len)
+static void cfg80211_process_auth(struct wireless_dev *wdev,
+ const u8 *buf, size_t len)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
- const u8 *bssid = mgmt->bssid;
- bool was_current = false;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
- trace___cfg80211_send_deauth(dev);
- ASSERT_WDEV_LOCK(wdev);
-
- if (wdev->current_bss &&
- ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
- was_current = true;
- }
+ nl80211_send_rx_auth(rdev, wdev->netdev, buf, len, GFP_KERNEL);
+ cfg80211_sme_rx_auth(wdev, buf, len);
+}
- nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
+static void cfg80211_process_deauth(struct wireless_dev *wdev,
+ const u8 *buf, size_t len)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
+ const u8 *bssid = mgmt->bssid;
+ u16 reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
+ bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
- if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) {
- u16 reason_code;
- bool from_ap;
+ nl80211_send_deauth(rdev, wdev->netdev, buf, len, GFP_KERNEL);
- reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
+ if (!wdev->current_bss ||
+ !ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
+ return;
- from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr);
- __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
- } else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
- __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- false, NULL);
- }
+ __cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
+ cfg80211_sme_deauth(wdev);
}
-EXPORT_SYMBOL(__cfg80211_send_deauth);
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
+static void cfg80211_process_disassoc(struct wireless_dev *wdev,
+ const u8 *buf, size_t len)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
+ const u8 *bssid = mgmt->bssid;
+ u16 reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+ bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
- wdev_lock(wdev);
- __cfg80211_send_deauth(dev, buf, len);
- wdev_unlock(wdev);
+ nl80211_send_disassoc(rdev, wdev->netdev, buf, len, GFP_KERNEL);
+
+ if (WARN_ON(!wdev->current_bss ||
+ !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+ return;
+
+ __cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
+ cfg80211_sme_disassoc(wdev);
}
-EXPORT_SYMBOL(cfg80211_send_deauth);
-void __cfg80211_send_disassoc(struct net_device *dev,
- const u8 *buf, size_t len)
+void cfg80211_rx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
- const u8 *bssid = mgmt->bssid;
- u16 reason_code;
- bool from_ap;
+ struct ieee80211_mgmt *mgmt = (void *)buf;
- trace___cfg80211_send_disassoc(dev);
ASSERT_WDEV_LOCK(wdev);
- nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
+ trace_cfg80211_rx_mlme_mgmt(dev, buf, len);
- if (wdev->sme_state != CFG80211_SME_CONNECTED)
+ if (WARN_ON(len < 2))
return;
- if (wdev->current_bss &&
- ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
- cfg80211_sme_disassoc(dev, wdev->current_bss);
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
- } else
- WARN_ON(1);
-
-
- reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
-
- from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr);
- __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+ if (ieee80211_is_auth(mgmt->frame_control))
+ cfg80211_process_auth(wdev, buf, len);
+ else if (ieee80211_is_deauth(mgmt->frame_control))
+ cfg80211_process_deauth(wdev, buf, len);
+ else if (ieee80211_is_disassoc(mgmt->frame_control))
+ cfg80211_process_disassoc(wdev, buf, len);
}
-EXPORT_SYMBOL(__cfg80211_send_disassoc);
+EXPORT_SYMBOL(cfg80211_rx_mlme_mgmt);
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
+void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ trace_cfg80211_send_auth_timeout(dev, addr);
- wdev_lock(wdev);
- __cfg80211_send_disassoc(dev, buf, len);
- wdev_unlock(wdev);
+ nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
+ cfg80211_sme_auth_timeout(wdev);
}
-EXPORT_SYMBOL(cfg80211_send_disassoc);
+EXPORT_SYMBOL(cfg80211_auth_timeout);
-void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
+void cfg80211_assoc_timeout(struct net_device *dev, struct cfg80211_bss *bss)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- trace_cfg80211_send_auth_timeout(dev, addr);
- wdev_lock(wdev);
+ trace_cfg80211_send_assoc_timeout(dev, bss->bssid);
- nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
- if (wdev->sme_state == CFG80211_SME_CONNECTING)
- __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- false, NULL);
+ nl80211_send_assoc_timeout(rdev, dev, bss->bssid, GFP_KERNEL);
+ cfg80211_sme_assoc_timeout(wdev);
- wdev_unlock(wdev);
+ cfg80211_unhold_bss(bss_from_pub(bss));
+ cfg80211_put_bss(wiphy, bss);
}
-EXPORT_SYMBOL(cfg80211_send_auth_timeout);
+EXPORT_SYMBOL(cfg80211_assoc_timeout);
-void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr)
+void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct ieee80211_mgmt *mgmt = (void *)buf;
- trace_cfg80211_send_assoc_timeout(dev, addr);
- wdev_lock(wdev);
+ ASSERT_WDEV_LOCK(wdev);
- nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL);
- if (wdev->sme_state == CFG80211_SME_CONNECTING)
- __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- false, NULL);
+ trace_cfg80211_tx_mlme_mgmt(dev, buf, len);
- wdev_unlock(wdev);
+ if (WARN_ON(len < 2))
+ return;
+
+ if (ieee80211_is_deauth(mgmt->frame_control))
+ cfg80211_process_deauth(wdev, buf, len);
+ else
+ cfg80211_process_disassoc(wdev, buf, len);
}
-EXPORT_SYMBOL(cfg80211_send_assoc_timeout);
+EXPORT_SYMBOL(cfg80211_tx_mlme_mgmt);
void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
enum nl80211_key_type key_type, int key_id,
@@ -253,18 +195,27 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
EXPORT_SYMBOL(cfg80211_michael_mic_failure);
/* some MLME handling for userspace SME */
-int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- const u8 *sae_data, int sae_data_len)
+int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ const u8 *ie, int ie_len,
+ const u8 *key, int key_len, int key_idx,
+ const u8 *sae_data, int sae_data_len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_auth_request req;
+ struct cfg80211_auth_request req = {
+ .ie = ie,
+ .ie_len = ie_len,
+ .sae_data = sae_data,
+ .sae_data_len = sae_data_len,
+ .auth_type = auth_type,
+ .key = key,
+ .key_len = key_len,
+ .key_idx = key_idx,
+ };
int err;
ASSERT_WDEV_LOCK(wdev);
@@ -277,18 +228,8 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
ether_addr_equal(bssid, wdev->current_bss->pub.bssid))
return -EALREADY;
- memset(&req, 0, sizeof(req));
-
- req.ie = ie;
- req.ie_len = ie_len;
- req.sae_data = sae_data;
- req.sae_data_len = sae_data_len;
- req.auth_type = auth_type;
req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- req.key = key;
- req.key_len = key_len;
- req.key_idx = key_idx;
if (!req.bss)
return -ENOENT;
@@ -304,28 +245,6 @@ out:
return err;
}
-int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type, const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- const u8 *sae_data, int sae_data_len)
-{
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
- ssid, ssid_len, ie, ie_len,
- key, key_len, key_idx,
- sae_data, sae_data_len);
- wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
/* Do a logical ht_capa &= ht_capa_mask. */
void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
const struct ieee80211_ht_cap *ht_capa_mask)
@@ -360,30 +279,21 @@ void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
p1[i] &= p2[i];
}
-int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req)
+int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid,
+ const u8 *ssid, int ssid_len,
+ struct cfg80211_assoc_request *req)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- bool was_connected = false;
ASSERT_WDEV_LOCK(wdev);
- if (wdev->current_bss && req->prev_bssid &&
- ether_addr_equal(wdev->current_bss->pub.bssid, req->prev_bssid)) {
- /*
- * Trying to reassociate: Allow this to proceed and let the old
- * association to be dropped when the new one is completed.
- */
- if (wdev->sme_state == CFG80211_SME_CONNECTED) {
- was_connected = true;
- wdev->sme_state = CFG80211_SME_CONNECTING;
- }
- } else if (wdev->current_bss)
+ if (wdev->current_bss &&
+ (!req->prev_bssid || !ether_addr_equal(wdev->current_bss->pub.bssid,
+ req->prev_bssid)))
return -EALREADY;
cfg80211_oper_and_ht_capa(&req->ht_capa_mask,
@@ -393,52 +303,28 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
req->bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- if (!req->bss) {
- if (was_connected)
- wdev->sme_state = CFG80211_SME_CONNECTED;
+ if (!req->bss)
return -ENOENT;
- }
err = cfg80211_can_use_chan(rdev, wdev, chan, CHAN_MODE_SHARED);
if (err)
goto out;
err = rdev_assoc(rdev, dev, req);
+ if (!err)
+ cfg80211_hold_bss(bss_from_pub(req->bss));
out:
- if (err) {
- if (was_connected)
- wdev->sme_state = CFG80211_SME_CONNECTED;
+ if (err)
cfg80211_put_bss(&rdev->wiphy, req->bss);
- }
return err;
}
-int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- struct cfg80211_assoc_request *req)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- wdev_lock(wdev);
- err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid,
- ssid, ssid_len, req);
- wdev_unlock(wdev);
- mutex_unlock(&rdev->devlist_mtx);
-
- return err;
-}
-
-int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
+int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_deauth_request req = {
@@ -451,79 +337,51 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
- if (local_state_change && (!wdev->current_bss ||
- !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+ if (local_state_change &&
+ (!wdev->current_bss ||
+ !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
return 0;
return rdev_deauth(rdev, dev, &req);
}
-int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
+int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *bssid,
+ const u8 *ie, int ie_len, u16 reason,
+ bool local_state_change)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_disassoc_request req = {
+ .reason_code = reason,
+ .local_state_change = local_state_change,
+ .ie = ie,
+ .ie_len = ie_len,
+ };
int err;
- wdev_lock(wdev);
- err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason,
- local_state_change);
- wdev_unlock(wdev);
-
- return err;
-}
-
-static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_disassoc_request req;
-
ASSERT_WDEV_LOCK(wdev);
- if (wdev->sme_state != CFG80211_SME_CONNECTED)
- return -ENOTCONN;
-
- if (WARN(!wdev->current_bss, "sme_state=%d\n", wdev->sme_state))
+ if (!wdev->current_bss)
return -ENOTCONN;
- memset(&req, 0, sizeof(req));
- req.reason_code = reason;
- req.local_state_change = local_state_change;
- req.ie = ie;
- req.ie_len = ie_len;
if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
req.bss = &wdev->current_bss->pub;
else
return -ENOTCONN;
- return rdev_disassoc(rdev, dev, &req);
-}
-
-int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason,
- local_state_change);
- wdev_unlock(wdev);
+ err = rdev_disassoc(rdev, dev, &req);
+ if (err)
+ return err;
- return err;
+ /* driver should have reported the disassoc */
+ WARN_ON(wdev->current_bss);
+ return 0;
}
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_deauth_request req;
u8 bssid[ETH_ALEN];
ASSERT_WDEV_LOCK(wdev);
@@ -531,23 +389,12 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
if (!rdev->ops->deauth)
return;
- memset(&req, 0, sizeof(req));
- req.reason_code = WLAN_REASON_DEAUTH_LEAVING;
- req.ie = NULL;
- req.ie_len = 0;
-
if (!wdev->current_bss)
return;
memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
- req.bssid = bssid;
- rdev_deauth(rdev, dev, &req);
-
- if (wdev->current_bss) {
- cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(&rdev->wiphy, &wdev->current_bss->pub);
- wdev->current_bss = NULL;
- }
+ cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING, false);
}
struct cfg80211_mgmt_registration {
@@ -848,7 +695,7 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
dfs_update_channels_wk);
wiphy = &rdev->wiphy;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
for (bandid = 0; bandid < IEEE80211_NUM_BANDS; bandid++) {
sband = wiphy->bands[bandid];
if (!sband)
@@ -881,7 +728,7 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work)
check_again = true;
}
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
/* reschedule if there are other channels waiting to be cleared again */
if (check_again)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b14b7e3..1cc47ac 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -37,10 +37,10 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
/* the netlink family */
static struct genl_family nl80211_fam = {
- .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
- .name = "nl80211", /* have users key off the name instead */
- .hdrsize = 0, /* no private header */
- .version = 1, /* no particular meaning now */
+ .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
+ .name = NL80211_GENL_NAME, /* have users key off the name instead */
+ .hdrsize = 0, /* no private header */
+ .version = 1, /* no particular meaning now */
.maxattr = NL80211_ATTR_MAX,
.netnsok = true,
.pre_doit = nl80211_pre_doit,
@@ -59,7 +59,7 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
int wiphy_idx = -1;
int ifidx = -1;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
if (!have_ifidx && !have_wdev_id)
return ERR_PTR(-EINVAL);
@@ -80,7 +80,6 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
continue;
- mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (have_ifidx && wdev->netdev &&
wdev->netdev->ifindex == ifidx) {
@@ -92,7 +91,6 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
break;
}
}
- mutex_unlock(&rdev->devlist_mtx);
if (result)
break;
@@ -109,7 +107,7 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
struct cfg80211_registered_device *rdev = NULL, *tmp;
struct net_device *netdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
if (!attrs[NL80211_ATTR_WIPHY] &&
!attrs[NL80211_ATTR_IFINDEX] &&
@@ -128,14 +126,12 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
if (tmp) {
/* make sure wdev exists */
- mutex_lock(&tmp->devlist_mtx);
list_for_each_entry(wdev, &tmp->wdev_list, list) {
if (wdev->identifier != (u32)wdev_id)
continue;
found = true;
break;
}
- mutex_unlock(&tmp->devlist_mtx);
if (!found)
tmp = NULL;
@@ -182,19 +178,6 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
/*
* This function returns a pointer to the driver
* that the genl_info item that is passed refers to.
- * If successful, it returns non-NULL and also locks
- * the driver's mutex!
- *
- * This means that you need to call cfg80211_unlock_rdev()
- * before being allowed to acquire &cfg80211_mutex!
- *
- * This is necessary because we need to lock the global
- * mutex to get an item off the list safely, and then
- * we lock the rdev mutex so it doesn't go away under us.
- *
- * We don't want to keep cfg80211_mutex locked
- * for all the time in order to allow requests on
- * other interfaces to go through at the same time.
*
* The result of this can be a PTR_ERR and hence must
* be checked with IS_ERR() for errors.
@@ -202,20 +185,7 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
static struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
-
- mutex_lock(&cfg80211_mutex);
- rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
-
- /* if it is not an error we grab the lock on
- * it to assure it won't be going away while
- * we operate on it */
- if (!IS_ERR(rdev))
- mutex_lock(&rdev->mtx);
-
- mutex_unlock(&cfg80211_mutex);
-
- return rdev;
+ return __cfg80211_rdev_from_attrs(netns, info->attrs);
}
/* policy for the attributes */
@@ -378,6 +348,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_MDID] = { .type = NLA_U16 },
[NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
};
/* policy for the key attributes */
@@ -455,7 +426,6 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
int err;
rtnl_lock();
- mutex_lock(&cfg80211_mutex);
if (!cb->args[0]) {
err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
@@ -484,14 +454,12 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
*rdev = wiphy_to_dev(wiphy);
*wdev = NULL;
- mutex_lock(&(*rdev)->devlist_mtx);
list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
if (tmp->identifier == cb->args[1]) {
*wdev = tmp;
break;
}
}
- mutex_unlock(&(*rdev)->devlist_mtx);
if (!*wdev) {
err = -ENODEV;
@@ -499,19 +467,14 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
}
}
- cfg80211_lock_rdev(*rdev);
-
- mutex_unlock(&cfg80211_mutex);
return 0;
out_unlock:
- mutex_unlock(&cfg80211_mutex);
rtnl_unlock();
return err;
}
static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
{
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
@@ -837,12 +800,9 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
case NL80211_IFTYPE_MESH_POINT:
break;
case NL80211_IFTYPE_ADHOC:
- if (!wdev->current_bss)
- return -ENOLINK;
- break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- if (wdev->sme_state != CFG80211_SME_CONNECTED)
+ if (!wdev->current_bss)
return -ENOLINK;
break;
default:
@@ -945,7 +905,7 @@ nla_put_failure:
static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
struct sk_buff *msg)
{
- const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp;
+ const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
struct nlattr *nl_tcp;
if (!tcp)
@@ -988,37 +948,37 @@ static int nl80211_send_wowlan(struct sk_buff *msg,
{
struct nlattr *nl_wowlan;
- if (!dev->wiphy.wowlan.flags && !dev->wiphy.wowlan.n_patterns)
+ if (!dev->wiphy.wowlan)
return 0;
nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
if (!nl_wowlan)
return -ENOBUFS;
- if (((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) &&
+ if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
- ((dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
+ ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
return -ENOBUFS;
- if (dev->wiphy.wowlan.n_patterns) {
+ if (dev->wiphy.wowlan->n_patterns) {
struct nl80211_wowlan_pattern_support pat = {
- .max_patterns = dev->wiphy.wowlan.n_patterns,
- .min_pattern_len = dev->wiphy.wowlan.pattern_min_len,
- .max_pattern_len = dev->wiphy.wowlan.pattern_max_len,
- .max_pkt_offset = dev->wiphy.wowlan.max_pkt_offset,
+ .max_patterns = dev->wiphy.wowlan->n_patterns,
+ .min_pattern_len = dev->wiphy.wowlan->pattern_min_len,
+ .max_pattern_len = dev->wiphy.wowlan->pattern_max_len,
+ .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset,
};
if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
@@ -1151,10 +1111,16 @@ nl80211_send_mgmt_stypes(struct sk_buff *msg,
return 0;
}
+struct nl80211_dump_wiphy_state {
+ s64 filter_wiphy;
+ long start;
+ long split_start, band_start, chan_start;
+ bool split;
+};
+
static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
struct sk_buff *msg, u32 portid, u32 seq,
- int flags, bool split, long *split_start,
- long *band_start, long *chan_start)
+ int flags, struct nl80211_dump_wiphy_state *state)
{
void *hdr;
struct nlattr *nl_bands, *nl_band;
@@ -1165,19 +1131,14 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
int i;
const struct ieee80211_txrx_stypes *mgmt_stypes =
dev->wiphy.mgmt_stypes;
- long start = 0, start_chan = 0, start_band = 0;
u32 features;
hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
if (!hdr)
return -ENOBUFS;
- /* allow always using the variables */
- if (!split) {
- split_start = &start;
- band_start = &start_band;
- chan_start = &start_chan;
- }
+ if (WARN_ON(!state))
+ return -EINVAL;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) ||
nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
@@ -1186,7 +1147,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
cfg80211_rdev_list_generation))
goto nla_put_failure;
- switch (*split_start) {
+ switch (state->split_start) {
case 0:
if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
dev->wiphy.retry_short) ||
@@ -1228,9 +1189,12 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
goto nla_put_failure;
+ if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
+ nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ))
+ goto nla_put_failure;
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
case 1:
if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
@@ -1274,22 +1238,23 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
}
}
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
case 2:
if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
dev->wiphy.interface_modes))
goto nla_put_failure;
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
case 3:
nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
if (!nl_bands)
goto nla_put_failure;
- for (band = *band_start; band < IEEE80211_NUM_BANDS; band++) {
+ for (band = state->band_start;
+ band < IEEE80211_NUM_BANDS; band++) {
struct ieee80211_supported_band *sband;
sband = dev->wiphy.bands[band];
@@ -1301,12 +1266,12 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
if (!nl_band)
goto nla_put_failure;
- switch (*chan_start) {
+ switch (state->chan_start) {
case 0:
if (nl80211_send_band_rateinfo(msg, sband))
goto nla_put_failure;
- (*chan_start)++;
- if (split)
+ state->chan_start++;
+ if (state->split)
break;
default:
/* add frequencies */
@@ -1315,7 +1280,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
if (!nl_freqs)
goto nla_put_failure;
- for (i = *chan_start - 1;
+ for (i = state->chan_start - 1;
i < sband->n_channels;
i++) {
nl_freq = nla_nest_start(msg, i);
@@ -1324,26 +1289,27 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
chan = &sband->channels[i];
- if (nl80211_msg_put_channel(msg, chan,
- split))
+ if (nl80211_msg_put_channel(
+ msg, chan,
+ state->split))
goto nla_put_failure;
nla_nest_end(msg, nl_freq);
- if (split)
+ if (state->split)
break;
}
if (i < sband->n_channels)
- *chan_start = i + 2;
+ state->chan_start = i + 2;
else
- *chan_start = 0;
+ state->chan_start = 0;
nla_nest_end(msg, nl_freqs);
}
nla_nest_end(msg, nl_band);
- if (split) {
+ if (state->split) {
/* start again here */
- if (*chan_start)
+ if (state->chan_start)
band--;
break;
}
@@ -1351,14 +1317,14 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
nla_nest_end(msg, nl_bands);
if (band < IEEE80211_NUM_BANDS)
- *band_start = band + 1;
+ state->band_start = band + 1;
else
- *band_start = 0;
+ state->band_start = 0;
/* if bands & channels are done, continue outside */
- if (*band_start == 0 && *chan_start == 0)
- (*split_start)++;
- if (split)
+ if (state->band_start == 0 && state->chan_start == 0)
+ state->split_start++;
+ if (state->split)
break;
case 4:
nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
@@ -1424,7 +1390,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
}
CMD(start_p2p_device, START_P2P_DEVICE);
CMD(set_mcast_rate, SET_MCAST_RATE);
- if (split) {
+ if (state->split) {
CMD(crit_proto_start, CRIT_PROTOCOL_START);
CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
}
@@ -1448,8 +1414,8 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
}
nla_nest_end(msg, nl_cmds);
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
case 5:
if (dev->ops->remain_on_channel &&
@@ -1465,29 +1431,30 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
goto nla_put_failure;
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
case 6:
#ifdef CONFIG_PM
- if (nl80211_send_wowlan(msg, dev, split))
+ if (nl80211_send_wowlan(msg, dev, state->split))
goto nla_put_failure;
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
#else
- (*split_start)++;
+ state->split_start++;
#endif
case 7:
if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
dev->wiphy.software_iftypes))
goto nla_put_failure;
- if (nl80211_put_iface_combinations(&dev->wiphy, msg, split))
+ if (nl80211_put_iface_combinations(&dev->wiphy, msg,
+ state->split))
goto nla_put_failure;
- (*split_start)++;
- if (split)
+ state->split_start++;
+ if (state->split)
break;
case 8:
if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
@@ -1501,7 +1468,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
* dump is split, otherwise it makes it too big. Therefore
* only advertise it in that case.
*/
- if (split)
+ if (state->split)
features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
goto nla_put_failure;
@@ -1528,7 +1495,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
* case we'll continue with more data in the next round,
* but break unconditionally so unsplit data stops here.
*/
- (*split_start)++;
+ state->split_start++;
break;
case 9:
if (dev->wiphy.extended_capabilities &&
@@ -1547,7 +1514,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
goto nla_put_failure;
/* done */
- *split_start = 0;
+ state->split_start = 0;
break;
}
return genlmsg_end(msg, hdr);
@@ -1557,66 +1524,78 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
return -EMSGSIZE;
}
+static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct nl80211_dump_wiphy_state *state)
+{
+ struct nlattr **tb = nl80211_fam.attrbuf;
+ int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ tb, nl80211_fam.maxattr, nl80211_policy);
+ /* ignore parse errors for backward compatibility */
+ if (ret)
+ return 0;
+
+ state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
+ if (tb[NL80211_ATTR_WIPHY])
+ state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
+ if (tb[NL80211_ATTR_WDEV])
+ state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
+ if (tb[NL80211_ATTR_IFINDEX]) {
+ struct net_device *netdev;
+ struct cfg80211_registered_device *rdev;
+ int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
+
+ netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
+ if (!netdev)
+ return -ENODEV;
+ if (netdev->ieee80211_ptr) {
+ rdev = wiphy_to_dev(
+ netdev->ieee80211_ptr->wiphy);
+ state->filter_wiphy = rdev->wiphy_idx;
+ }
+ dev_put(netdev);
+ }
+
+ return 0;
+}
+
static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
{
int idx = 0, ret;
- int start = cb->args[0];
+ struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
struct cfg80211_registered_device *dev;
- s64 filter_wiphy = -1;
- bool split = false;
- struct nlattr **tb;
- int res;
- /* will be zeroed in nlmsg_parse() */
- tb = kmalloc(sizeof(*tb) * (NL80211_ATTR_MAX + 1), GFP_KERNEL);
- if (!tb)
- return -ENOMEM;
-
- mutex_lock(&cfg80211_mutex);
- res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
- tb, NL80211_ATTR_MAX, nl80211_policy);
- if (res == 0) {
- split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
- if (tb[NL80211_ATTR_WIPHY])
- filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
- if (tb[NL80211_ATTR_WDEV])
- filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
- if (tb[NL80211_ATTR_IFINDEX]) {
- struct net_device *netdev;
- int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
-
- netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!netdev) {
- mutex_unlock(&cfg80211_mutex);
- kfree(tb);
- return -ENODEV;
- }
- if (netdev->ieee80211_ptr) {
- dev = wiphy_to_dev(
- netdev->ieee80211_ptr->wiphy);
- filter_wiphy = dev->wiphy_idx;
- }
- dev_put(netdev);
+ rtnl_lock();
+ if (!state) {
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state) {
+ rtnl_unlock();
+ return -ENOMEM;
+ }
+ state->filter_wiphy = -1;
+ ret = nl80211_dump_wiphy_parse(skb, cb, state);
+ if (ret) {
+ kfree(state);
+ rtnl_unlock();
+ return ret;
}
+ cb->args[0] = (long)state;
}
- kfree(tb);
list_for_each_entry(dev, &cfg80211_rdev_list, list) {
if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
continue;
- if (++idx <= start)
+ if (++idx <= state->start)
continue;
- if (filter_wiphy != -1 && dev->wiphy_idx != filter_wiphy)
+ if (state->filter_wiphy != -1 &&
+ state->filter_wiphy != dev->wiphy_idx)
continue;
/* attempt to fit multiple wiphy data chunks into the skb */
do {
ret = nl80211_send_wiphy(dev, skb,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
- NLM_F_MULTI,
- split, &cb->args[1],
- &cb->args[2],
- &cb->args[3]);
+ NLM_F_MULTI, state);
if (ret < 0) {
/*
* If sending the wiphy data didn't fit (ENOBUFS
@@ -1635,33 +1614,40 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
!skb->len &&
cb->min_dump_alloc < 4096) {
cb->min_dump_alloc = 4096;
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
return 1;
}
idx--;
break;
}
- } while (cb->args[1] > 0);
+ } while (state->split_start > 0);
break;
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
- cb->args[0] = idx;
+ state->start = idx;
return skb->len;
}
+static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
+{
+ kfree((void *)cb->args[0]);
+ return 0;
+}
+
static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
{
struct sk_buff *msg;
struct cfg80211_registered_device *dev = info->user_ptr[0];
+ struct nl80211_dump_wiphy_state state = {};
msg = nlmsg_new(4096, GFP_KERNEL);
if (!msg)
return -ENOMEM;
if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0,
- false, NULL, NULL, NULL) < 0) {
+ &state) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
@@ -1778,6 +1764,11 @@ static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
IEEE80211_CHAN_DISABLED))
return -EINVAL;
+ if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
+ chandef->width == NL80211_CHAN_WIDTH_10) &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
+ return -EINVAL;
+
return 0;
}
@@ -1799,7 +1790,6 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
if (result)
return result;
- mutex_lock(&rdev->devlist_mtx);
switch (iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
@@ -1823,7 +1813,6 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
default:
result = -EINVAL;
}
- mutex_unlock(&rdev->devlist_mtx);
return result;
}
@@ -1872,6 +1861,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
u32 frag_threshold = 0, rts_threshold = 0;
u8 coverage_class = 0;
+ ASSERT_RTNL();
+
/*
* Try to find the wiphy and netdev. Normally this
* function shouldn't need the netdev, but this is
@@ -1881,31 +1872,25 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
* also passed a netdev to set_wiphy, so that it is
* possible to let that go to the right netdev!
*/
- mutex_lock(&cfg80211_mutex);
if (info->attrs[NL80211_ATTR_IFINDEX]) {
int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(genl_info_net(info), ifindex);
- if (netdev && netdev->ieee80211_ptr) {
+ if (netdev && netdev->ieee80211_ptr)
rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
- mutex_lock(&rdev->mtx);
- } else
+ else
netdev = NULL;
}
if (!netdev) {
rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
info->attrs);
- if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
+ if (IS_ERR(rdev))
return PTR_ERR(rdev);
- }
wdev = NULL;
netdev = NULL;
result = 0;
-
- mutex_lock(&rdev->mtx);
} else
wdev = netdev->ieee80211_ptr;
@@ -1918,8 +1903,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
result = cfg80211_dev_rename(
rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
- mutex_unlock(&cfg80211_mutex);
-
if (result)
goto bad_res;
@@ -2126,7 +2109,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
}
bad_res:
- mutex_unlock(&rdev->mtx);
if (netdev)
dev_put(netdev);
return result;
@@ -2224,7 +2206,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
continue;
@@ -2234,7 +2216,6 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
}
if_idx = 0;
- mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (if_idx < if_start) {
if_idx++;
@@ -2243,17 +2224,15 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev) < 0) {
- mutex_unlock(&rdev->devlist_mtx);
goto out;
}
if_idx++;
}
- mutex_unlock(&rdev->devlist_mtx);
wp_idx++;
}
out:
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
cb->args[0] = wp_idx;
cb->args[1] = if_idx;
@@ -2286,6 +2265,7 @@ static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
[NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
[NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
[NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
};
static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
@@ -2397,6 +2377,10 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
change = true;
}
+ if (flags && (*flags & NL80211_MNTR_FLAG_ACTIVE) &&
+ !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
+ return -EOPNOTSUPP;
+
if (change)
err = cfg80211_change_iface(rdev, dev, ntype, flags, &params);
else
@@ -2454,6 +2438,11 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
+
+ if (!err && (flags & NL80211_MNTR_FLAG_ACTIVE) &&
+ !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
+ return -EOPNOTSUPP;
+
wdev = rdev_add_virtual_intf(rdev,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params);
@@ -2486,11 +2475,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- mutex_lock(&rdev->devlist_mtx);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
- mutex_unlock(&rdev->devlist_mtx);
break;
default:
break;
@@ -2933,61 +2920,58 @@ static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
return err;
}
-static int nl80211_parse_beacon(struct genl_info *info,
+static int nl80211_parse_beacon(struct nlattr *attrs[],
struct cfg80211_beacon_data *bcn)
{
bool haveinfo = false;
- if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) ||
- !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) ||
- !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
- !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]))
+ if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
+ !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
+ !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
+ !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
return -EINVAL;
memset(bcn, 0, sizeof(*bcn));
- if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
- bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
- bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
+ if (attrs[NL80211_ATTR_BEACON_HEAD]) {
+ bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
+ bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
if (!bcn->head_len)
return -EINVAL;
haveinfo = true;
}
- if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
- bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
- bcn->tail_len =
- nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
+ if (attrs[NL80211_ATTR_BEACON_TAIL]) {
+ bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
+ bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
haveinfo = true;
}
if (!haveinfo)
return -EINVAL;
- if (info->attrs[NL80211_ATTR_IE]) {
- bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]);
- bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ if (attrs[NL80211_ATTR_IE]) {
+ bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
+ bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
}
- if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) {
+ if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
bcn->proberesp_ies =
- nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
+ nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
bcn->proberesp_ies_len =
- nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
+ nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
}
- if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
+ if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
bcn->assocresp_ies =
- nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
+ nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
bcn->assocresp_ies_len =
- nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
+ nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
}
- if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
- bcn->probe_resp =
- nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
- bcn->probe_resp_len =
- nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ if (attrs[NL80211_ATTR_PROBE_RESP]) {
+ bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
+ bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
}
return 0;
@@ -2999,8 +2983,6 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev;
bool ret = false;
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO)
@@ -3014,8 +2996,6 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
break;
}
- mutex_unlock(&rdev->devlist_mtx);
-
return ret;
}
@@ -3070,7 +3050,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
!info->attrs[NL80211_ATTR_BEACON_HEAD])
return -EINVAL;
- err = nl80211_parse_beacon(info, &params.beacon);
+ err = nl80211_parse_beacon(info->attrs, &params.beacon);
if (err)
return err;
@@ -3177,13 +3157,10 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.radar_required = true;
}
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
params.chandef.chan,
CHAN_MODE_SHARED,
radar_detect_width);
- mutex_unlock(&rdev->devlist_mtx);
-
if (err)
return err;
@@ -3225,7 +3202,7 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
if (!wdev->beacon_interval)
return -EINVAL;
- err = nl80211_parse_beacon(info, &params);
+ err = nl80211_parse_beacon(info->attrs, &params);
if (err)
return err;
@@ -3383,6 +3360,32 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
return true;
}
+static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
+ int id)
+{
+ void *attr;
+ int i = 0;
+
+ if (!mask)
+ return true;
+
+ attr = nla_nest_start(msg, id);
+ if (!attr)
+ return false;
+
+ for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
+ if (!(mask & BIT(i)))
+ continue;
+
+ if (nla_put_u8(msg, i, signal[i]))
+ return false;
+ }
+
+ nla_nest_end(msg, attr);
+
+ return true;
+}
+
static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
int flags,
struct cfg80211_registered_device *rdev,
@@ -3454,6 +3457,18 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
default:
break;
}
+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
+ if (!nl80211_put_signal(msg, sinfo->chains,
+ sinfo->chain_signal,
+ NL80211_STA_INFO_CHAIN_SIGNAL))
+ goto nla_put_failure;
+ }
+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
+ if (!nl80211_put_signal(msg, sinfo->chains,
+ sinfo->chain_signal_avg,
+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
+ goto nla_put_failure;
+ }
if (sinfo->filled & STATION_INFO_TX_BITRATE) {
if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
NL80211_STA_INFO_TX_BITRATE))
@@ -3841,6 +3856,8 @@ static int nl80211_set_station_tdls(struct genl_info *info,
struct station_parameters *params)
{
/* Dummy STA entry gets updated once the peer capabilities are known */
+ if (info->attrs[NL80211_ATTR_PEER_AID])
+ params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
params->ht_capa =
nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
@@ -3981,7 +3998,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
return -EINVAL;
- if (!info->attrs[NL80211_ATTR_STA_AID])
+ if (!info->attrs[NL80211_ATTR_STA_AID] &&
+ !info->attrs[NL80211_ATTR_PEER_AID])
return -EINVAL;
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
@@ -3992,7 +4010,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.listen_interval =
nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
- params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ if (info->attrs[NL80211_ATTR_PEER_AID])
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
+ else
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
if (!params.aid || params.aid > IEEE80211_MAX_AID)
return -EINVAL;
@@ -4044,7 +4065,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
/* TDLS peers cannot be added */
- if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+ if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
+ info->attrs[NL80211_ATTR_PEER_AID])
return -EINVAL;
/* but don't bother the driver with it */
params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
@@ -4070,7 +4092,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
return -EINVAL;
/* TDLS peers cannot be added */
- if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+ if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
+ info->attrs[NL80211_ATTR_PEER_AID])
return -EINVAL;
break;
case NL80211_IFTYPE_STATION:
@@ -4592,7 +4615,9 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
cur_params.power_mode) ||
nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
- cur_params.dot11MeshAwakeWindowDuration))
+ cur_params.dot11MeshAwakeWindowDuration) ||
+ nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
+ cur_params.plink_timeout))
goto nla_put_failure;
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
@@ -4633,6 +4658,7 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
[NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
[NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
[NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
};
static const struct nla_policy
@@ -4641,6 +4667,7 @@ static const struct nla_policy
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
+ [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
[NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
@@ -4769,6 +4796,9 @@ do { \
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
0, 65535, mask,
NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff,
+ mask, NL80211_MESHCONF_PLINK_TIMEOUT,
+ nla_get_u32);
if (mask_out)
*mask_out = mask;
@@ -4826,6 +4856,13 @@ static int nl80211_parse_mesh_setup(struct genl_info *info,
if (setup->is_secure)
setup->user_mpm = true;
+ if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
+ if (!setup->user_mpm)
+ return -EINVAL;
+ setup->auth_id =
+ nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
+ }
+
return 0;
}
@@ -4868,18 +4905,13 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
void *hdr = NULL;
struct nlattr *nl_reg_rules;
unsigned int i;
- int err = -EINVAL;
-
- mutex_lock(&cfg80211_mutex);
if (!cfg80211_regdomain)
- goto out;
+ return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOBUFS;
- goto out;
- }
+ if (!msg)
+ return -ENOBUFS;
hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
NL80211_CMD_GET_REG);
@@ -4938,8 +4970,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
nla_nest_end(msg, nl_reg_rules);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
nla_put_failure_rcu:
rcu_read_unlock();
@@ -4947,10 +4978,7 @@ nla_put_failure:
genlmsg_cancel(msg, hdr);
put_failure:
nlmsg_free(msg);
- err = -EMSGSIZE;
-out:
- mutex_unlock(&cfg80211_mutex);
- return err;
+ return -EMSGSIZE;
}
static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
@@ -5016,12 +5044,9 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
}
}
- mutex_lock(&cfg80211_mutex);
-
r = set_regdom(rd);
/* set_regdom took ownership */
rd = NULL;
- mutex_unlock(&cfg80211_mutex);
bad_reg:
kfree(rd);
@@ -5071,7 +5096,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->scan)
return -EOPNOTSUPP;
- mutex_lock(&rdev->sched_scan_mtx);
if (rdev->scan_req) {
err = -EBUSY;
goto unlock;
@@ -5257,7 +5281,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
unlock:
- mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -5329,8 +5352,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len > wiphy->max_sched_scan_ie_len)
return -EINVAL;
- mutex_lock(&rdev->sched_scan_mtx);
-
if (rdev->sched_scan_req) {
err = -EINPROGRESS;
goto out;
@@ -5498,7 +5519,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
out_free:
kfree(request);
out:
- mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -5506,17 +5526,12 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- int err;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_stop)
return -EOPNOTSUPP;
- mutex_lock(&rdev->sched_scan_mtx);
- err = __cfg80211_stop_sched_scan(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
-
- return err;
+ return __cfg80211_stop_sched_scan(rdev, false);
}
static int nl80211_start_radar_detection(struct sk_buff *skb,
@@ -5548,12 +5563,11 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
if (!rdev->ops->start_radar_detection)
return -EOPNOTSUPP;
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
chandef.chan, CHAN_MODE_SHARED,
BIT(chandef.width));
if (err)
- goto err_locked;
+ return err;
err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
if (!err) {
@@ -5561,9 +5575,6 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
}
-err_locked:
- mutex_unlock(&rdev->devlist_mtx);
-
return err;
}
@@ -5946,10 +5957,13 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (local_state_change)
return 0;
- return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
- ssid, ssid_len, ie, ie_len,
- key.p.key, key.p.key_len, key.idx,
- sae_data, sae_data_len);
+ wdev_lock(dev->ieee80211_ptr);
+ err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len,
+ key.p.key, key.p.key_len, key.idx,
+ sae_data, sae_data_len);
+ wdev_unlock(dev->ieee80211_ptr);
+ return err;
}
static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
@@ -6116,9 +6130,12 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
}
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
- if (!err)
+ if (!err) {
+ wdev_lock(dev->ieee80211_ptr);
err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
ssid, ssid_len, &req);
+ wdev_unlock(dev->ieee80211_ptr);
+ }
return err;
}
@@ -6128,7 +6145,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int ie_len = 0;
+ int ie_len = 0, err;
u16 reason_code;
bool local_state_change;
@@ -6163,8 +6180,11 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
+ wdev_lock(dev->ieee80211_ptr);
+ err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
+ wdev_unlock(dev->ieee80211_ptr);
+ return err;
}
static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
@@ -6172,7 +6192,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int ie_len = 0;
+ int ie_len = 0, err;
u16 reason_code;
bool local_state_change;
@@ -6207,8 +6227,11 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
+ wdev_lock(dev->ieee80211_ptr);
+ err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
+ wdev_unlock(dev->ieee80211_ptr);
+ return err;
}
static bool
@@ -6295,11 +6318,16 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
return -EINVAL;
- if (ibss.chandef.width > NL80211_CHAN_WIDTH_40)
- return -EINVAL;
- if (ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
- !(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
+ switch (ibss.chandef.width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ break;
+ case NL80211_CHAN_WIDTH_20:
+ case NL80211_CHAN_WIDTH_40:
+ if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
+ break;
+ default:
return -EINVAL;
+ }
ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
@@ -6426,6 +6454,8 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
void *data = NULL;
int data_len = 0;
+ rtnl_lock();
+
if (cb->args[0]) {
/*
* 0 is a valid index, but not valid for args[0],
@@ -6437,18 +6467,16 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
nl80211_fam.attrbuf, nl80211_fam.maxattr,
nl80211_policy);
if (err)
- return err;
+ goto out_err;
- mutex_lock(&cfg80211_mutex);
rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
nl80211_fam.attrbuf);
if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
- return PTR_ERR(rdev);
+ err = PTR_ERR(rdev);
+ goto out_err;
}
phy_idx = rdev->wiphy_idx;
rdev = NULL;
- mutex_unlock(&cfg80211_mutex);
if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
cb->args[1] =
@@ -6460,14 +6488,11 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
data_len = nla_len((void *)cb->args[1]);
}
- mutex_lock(&cfg80211_mutex);
rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
if (!rdev) {
- mutex_unlock(&cfg80211_mutex);
- return -ENOENT;
+ err = -ENOENT;
+ goto out_err;
}
- cfg80211_lock_rdev(rdev);
- mutex_unlock(&cfg80211_mutex);
if (!rdev->ops->testmode_dump) {
err = -EOPNOTSUPP;
@@ -6508,7 +6533,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
/* see above */
cb->args[0] = phy_idx + 1;
out_err:
- cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
return err;
}
@@ -6716,7 +6741,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
sizeof(connect.vht_capa));
}
- err = cfg80211_connect(rdev, dev, &connect, connkeys);
+ wdev_lock(dev->ieee80211_ptr);
+ err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
+ wdev_unlock(dev->ieee80211_ptr);
if (err)
kfree(connkeys);
return err;
@@ -6727,6 +6754,7 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
u16 reason;
+ int ret;
if (!info->attrs[NL80211_ATTR_REASON_CODE])
reason = WLAN_REASON_DEAUTH_LEAVING;
@@ -6740,7 +6768,10 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- return cfg80211_disconnect(rdev, dev, reason, true);
+ wdev_lock(dev->ieee80211_ptr);
+ ret = cfg80211_disconnect(rdev, dev, reason, true);
+ wdev_unlock(dev->ieee80211_ptr);
+ return ret;
}
static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
@@ -7159,6 +7190,9 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
return -EOPNOTSUPP;
switch (wdev->iftype) {
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_P2P_CLIENT:
@@ -7166,7 +7200,6 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
@@ -7194,9 +7227,18 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
- err = nl80211_parse_chandef(rdev, info, &chandef);
- if (err)
- return err;
+ /* get the channel if any has been specified, otherwise pass NULL to
+ * the driver. The latter will use the current one
+ */
+ chandef.chan = NULL;
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ err = nl80211_parse_chandef(rdev, info, &chandef);
+ if (err)
+ return err;
+ }
+
+ if (!chandef.chan && offchan)
+ return -EINVAL;
if (!dont_wait_for_ack) {
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
@@ -7501,6 +7543,23 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
setup.chandef.chan = NULL;
}
+ if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
+ u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ int n_rates =
+ nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ struct ieee80211_supported_band *sband;
+
+ if (!setup.chandef.chan)
+ return -EINVAL;
+
+ sband = rdev->wiphy.bands[setup.chandef.chan->band];
+
+ err = ieee80211_get_ratemask(sband, rates, n_rates,
+ &setup.basic_rates);
+ if (err)
+ return err;
+ }
+
return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
}
@@ -7516,28 +7575,29 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
struct cfg80211_registered_device *rdev)
{
+ struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
struct nlattr *nl_pats, *nl_pat;
int i, pat_len;
- if (!rdev->wowlan->n_patterns)
+ if (!wowlan->n_patterns)
return 0;
nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
if (!nl_pats)
return -ENOBUFS;
- for (i = 0; i < rdev->wowlan->n_patterns; i++) {
+ for (i = 0; i < wowlan->n_patterns; i++) {
nl_pat = nla_nest_start(msg, i + 1);
if (!nl_pat)
return -ENOBUFS;
- pat_len = rdev->wowlan->patterns[i].pattern_len;
+ pat_len = wowlan->patterns[i].pattern_len;
if (nla_put(msg, NL80211_WOWLAN_PKTPAT_MASK,
DIV_ROUND_UP(pat_len, 8),
- rdev->wowlan->patterns[i].mask) ||
+ wowlan->patterns[i].mask) ||
nla_put(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
- pat_len, rdev->wowlan->patterns[i].pattern) ||
+ pat_len, wowlan->patterns[i].pattern) ||
nla_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET,
- rdev->wowlan->patterns[i].pkt_offset))
+ wowlan->patterns[i].pkt_offset))
return -ENOBUFS;
nla_nest_end(msg, nl_pat);
}
@@ -7596,16 +7656,15 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
void *hdr;
u32 size = NLMSG_DEFAULT_SIZE;
- if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
- !rdev->wiphy.wowlan.tcp)
+ if (!rdev->wiphy.wowlan)
return -EOPNOTSUPP;
- if (rdev->wowlan && rdev->wowlan->tcp) {
+ if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
/* adjust size to have room for all the data */
- size += rdev->wowlan->tcp->tokens_size +
- rdev->wowlan->tcp->payload_len +
- rdev->wowlan->tcp->wake_len +
- rdev->wowlan->tcp->wake_len / 8;
+ size += rdev->wiphy.wowlan_config->tcp->tokens_size +
+ rdev->wiphy.wowlan_config->tcp->payload_len +
+ rdev->wiphy.wowlan_config->tcp->wake_len +
+ rdev->wiphy.wowlan_config->tcp->wake_len / 8;
}
msg = nlmsg_new(size, GFP_KERNEL);
@@ -7617,33 +7676,34 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
if (!hdr)
goto nla_put_failure;
- if (rdev->wowlan) {
+ if (rdev->wiphy.wowlan_config) {
struct nlattr *nl_wowlan;
nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
if (!nl_wowlan)
goto nla_put_failure;
- if ((rdev->wowlan->any &&
+ if ((rdev->wiphy.wowlan_config->any &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
- (rdev->wowlan->disconnect &&
+ (rdev->wiphy.wowlan_config->disconnect &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
- (rdev->wowlan->magic_pkt &&
+ (rdev->wiphy.wowlan_config->magic_pkt &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
- (rdev->wowlan->gtk_rekey_failure &&
+ (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
- (rdev->wowlan->eap_identity_req &&
+ (rdev->wiphy.wowlan_config->eap_identity_req &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
- (rdev->wowlan->four_way_handshake &&
+ (rdev->wiphy.wowlan_config->four_way_handshake &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
- (rdev->wowlan->rfkill_release &&
+ (rdev->wiphy.wowlan_config->rfkill_release &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
goto nla_put_failure;
if (nl80211_send_wowlan_patterns(msg, rdev))
goto nla_put_failure;
- if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp))
+ if (nl80211_send_wowlan_tcp(msg,
+ rdev->wiphy.wowlan_config->tcp))
goto nla_put_failure;
nla_nest_end(msg, nl_wowlan);
@@ -7669,7 +7729,7 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
int err, port;
- if (!rdev->wiphy.wowlan.tcp)
+ if (!rdev->wiphy.wowlan->tcp)
return -EINVAL;
err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
@@ -7689,16 +7749,16 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
return -EINVAL;
data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
- if (data_size > rdev->wiphy.wowlan.tcp->data_payload_max)
+ if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
return -EINVAL;
if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
- rdev->wiphy.wowlan.tcp->data_interval_max ||
+ rdev->wiphy.wowlan->tcp->data_interval_max ||
nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
return -EINVAL;
wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
- if (wake_size > rdev->wiphy.wowlan.tcp->wake_payload_max)
+ if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
return -EINVAL;
wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
@@ -7713,13 +7773,13 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
if (!tok->len || tokens_size % tok->len)
return -EINVAL;
- if (!rdev->wiphy.wowlan.tcp->tok)
+ if (!rdev->wiphy.wowlan->tcp->tok)
return -EINVAL;
- if (tok->len > rdev->wiphy.wowlan.tcp->tok->max_len)
+ if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
return -EINVAL;
- if (tok->len < rdev->wiphy.wowlan.tcp->tok->min_len)
+ if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
return -EINVAL;
- if (tokens_size > rdev->wiphy.wowlan.tcp->tok->bufsize)
+ if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
return -EINVAL;
if (tok->offset + tok->len > data_size)
return -EINVAL;
@@ -7727,7 +7787,7 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
- if (!rdev->wiphy.wowlan.tcp->seq)
+ if (!rdev->wiphy.wowlan->tcp->seq)
return -EINVAL;
if (seq->len == 0 || seq->len > 4)
return -EINVAL;
@@ -7808,17 +7868,16 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
struct cfg80211_wowlan new_triggers = {};
struct cfg80211_wowlan *ntrig;
- struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
+ const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
int err, i;
- bool prev_enabled = rdev->wowlan;
+ bool prev_enabled = rdev->wiphy.wowlan_config;
- if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
- !rdev->wiphy.wowlan.tcp)
+ if (!wowlan)
return -EOPNOTSUPP;
if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
cfg80211_rdev_free_wowlan(rdev);
- rdev->wowlan = NULL;
+ rdev->wiphy.wowlan_config = NULL;
goto set_wakeup;
}
@@ -7954,11 +8013,12 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
goto error;
}
cfg80211_rdev_free_wowlan(rdev);
- rdev->wowlan = ntrig;
+ rdev->wiphy.wowlan_config = ntrig;
set_wakeup:
- if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
- rdev_set_wakeup(rdev, rdev->wowlan);
+ if (rdev->ops->set_wakeup &&
+ prev_enabled != !!rdev->wiphy.wowlan_config)
+ rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
return 0;
error:
@@ -8143,9 +8203,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (wdev->p2p_started)
return 0;
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_add_interface(rdev, wdev->iftype);
- mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
@@ -8154,9 +8212,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
return err;
wdev->p2p_started = true;
- mutex_lock(&rdev->devlist_mtx);
rdev->opencount++;
- mutex_unlock(&rdev->devlist_mtx);
return 0;
}
@@ -8172,11 +8228,7 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->stop_p2p_device)
return -EOPNOTSUPP;
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
cfg80211_stop_p2p_device(rdev, wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
return 0;
}
@@ -8319,11 +8371,11 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
info->user_ptr[0] = rdev;
} else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
- mutex_lock(&cfg80211_mutex);
+ ASSERT_RTNL();
+
wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
info->attrs);
if (IS_ERR(wdev)) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return PTR_ERR(wdev);
@@ -8334,7 +8386,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
if (!dev) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -EINVAL;
@@ -8348,7 +8399,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
if (dev) {
if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!netif_running(dev)) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
@@ -8357,17 +8407,12 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
dev_hold(dev);
} else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
if (!wdev->p2p_started) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
}
}
- cfg80211_lock_rdev(rdev);
-
- mutex_unlock(&cfg80211_mutex);
-
info->user_ptr[0] = rdev;
}
@@ -8377,8 +8422,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
- if (info->user_ptr[0])
- cfg80211_unlock_rdev(info->user_ptr[0]);
if (info->user_ptr[1]) {
if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
struct wireless_dev *wdev = info->user_ptr[1];
@@ -8398,9 +8441,11 @@ static struct genl_ops nl80211_ops[] = {
.cmd = NL80211_CMD_GET_WIPHY,
.doit = nl80211_get_wiphy,
.dumpit = nl80211_dump_wiphy,
+ .done = nl80211_dump_wiphy_done,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WIPHY,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_WIPHY,
@@ -8415,7 +8460,8 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_interface,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WDEV,
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
@@ -8574,6 +8620,7 @@ static struct genl_ops nl80211_ops[] = {
.cmd = NL80211_CMD_GET_REG,
.doit = nl80211_get_reg,
.policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
/* can be retrieved by unprivileged users */
},
{
@@ -8581,6 +8628,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_set_reg,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_REQ_SET_REG,
@@ -9014,13 +9062,13 @@ static struct genl_multicast_group nl80211_regulatory_mcgrp = {
void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
{
struct sk_buff *msg;
+ struct nl80211_dump_wiphy_state state = {};
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
- if (nl80211_send_wiphy(rdev, msg, 0, 0, 0,
- false, NULL, NULL, NULL) < 0) {
+ if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) {
nlmsg_free(msg);
return;
}
@@ -9036,8 +9084,6 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
struct nlattr *nest;
int i;
- lockdep_assert_held(&rdev->sched_scan_mtx);
-
if (WARN_ON(!req))
return 0;
@@ -9344,31 +9390,27 @@ void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
NL80211_CMD_DISASSOCIATE, gfp);
}
-void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf,
- size_t len)
+void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
+ size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ const struct ieee80211_mgmt *mgmt = (void *)buf;
+ u32 cmd;
- trace_cfg80211_send_unprot_deauth(dev);
- nl80211_send_mlme_event(rdev, dev, buf, len,
- NL80211_CMD_UNPROT_DEAUTHENTICATE, GFP_ATOMIC);
-}
-EXPORT_SYMBOL(cfg80211_send_unprot_deauth);
+ if (WARN_ON(len < 2))
+ return;
-void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf,
- size_t len)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ if (ieee80211_is_deauth(mgmt->frame_control))
+ cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
+ else
+ cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
- trace_cfg80211_send_unprot_disassoc(dev);
- nl80211_send_mlme_event(rdev, dev, buf, len,
- NL80211_CMD_UNPROT_DISASSOCIATE, GFP_ATOMIC);
+ trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
+ nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC);
}
-EXPORT_SYMBOL(cfg80211_send_unprot_disassoc);
+EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
struct net_device *netdev, int cmd,
@@ -9879,7 +9921,6 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
struct sk_buff *msg;
void *hdr;
- int err;
u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
if (!nlportid)
@@ -9900,12 +9941,7 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
goto nla_put_failure;
- err = genlmsg_end(msg, hdr);
- if (err < 0) {
- nlmsg_free(msg);
- return true;
- }
-
+ genlmsg_end(msg, hdr);
genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
return true;
@@ -10348,10 +10384,7 @@ nl80211_radar_notify(struct cfg80211_registered_device *rdev,
if (nl80211_send_chandef(msg, chandef))
goto nla_put_failure;
- if (genlmsg_end(msg, hdr) < 0) {
- nlmsg_free(msg);
- return;
- }
+ genlmsg_end(msg, hdr);
genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
nl80211_mlme_mcgrp.id, gfp);
@@ -10417,7 +10450,6 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
struct sk_buff *msg;
void *hdr;
- int err;
trace_cfg80211_probe_status(dev, addr, cookie, acked);
@@ -10439,11 +10471,7 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
(acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
goto nla_put_failure;
- err = genlmsg_end(msg, hdr);
- if (err < 0) {
- nlmsg_free(msg);
- return;
- }
+ genlmsg_end(msg, hdr);
genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
nl80211_mlme_mcgrp.id, gfp);
@@ -10509,7 +10537,7 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
struct sk_buff *msg;
void *hdr;
- int err, size = 200;
+ int size = 200;
trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
@@ -10595,9 +10623,7 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
nla_nest_end(msg, reasons);
}
- err = genlmsg_end(msg, hdr);
- if (err < 0)
- goto free_msg;
+ genlmsg_end(msg, hdr);
genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
nl80211_mlme_mcgrp.id, gfp);
@@ -10617,7 +10643,6 @@ void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
struct sk_buff *msg;
void *hdr;
- int err;
trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
reason_code);
@@ -10640,11 +10665,7 @@ void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
goto nla_put_failure;
- err = genlmsg_end(msg, hdr);
- if (err < 0) {
- nlmsg_free(msg);
- return;
- }
+ genlmsg_end(msg, hdr);
genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
nl80211_mlme_mcgrp.id, gfp);
@@ -10702,7 +10723,6 @@ void cfg80211_ft_event(struct net_device *netdev,
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct sk_buff *msg;
void *hdr;
- int err;
trace_cfg80211_ft_event(wiphy, netdev, ft_event);
@@ -10728,11 +10748,7 @@ void cfg80211_ft_event(struct net_device *netdev,
nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
ft_event->ric_ies);
- err = genlmsg_end(msg, hdr);
- if (err < 0) {
- nlmsg_free(msg);
- return;
- }
+ genlmsg_end(msg, hdr);
genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
nl80211_mlme_mcgrp.id, GFP_KERNEL);
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index cc35fba..5a24c98 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -81,7 +81,10 @@ static struct regulatory_request core_request_world = {
.country_ie_env = ENVIRON_ANY,
};
-/* Receipt of information from last regulatory request */
+/*
+ * Receipt of information from last regulatory request,
+ * protected by RTNL (and can be accessed with RCU protection)
+ */
static struct regulatory_request __rcu *last_request =
(void __rcu *)&core_request_world;
@@ -96,39 +99,25 @@ static struct device_type reg_device_type = {
* Central wireless core regulatory domains, we only need two,
* the current one and a world regulatory domain in case we have no
* information to give us an alpha2.
+ * (protected by RTNL, can be read under RCU)
*/
const struct ieee80211_regdomain __rcu *cfg80211_regdomain;
/*
- * Protects static reg.c components:
- * - cfg80211_regdomain (if not used with RCU)
- * - cfg80211_world_regdom
- * - last_request (if not used with RCU)
- * - reg_num_devs_support_basehint
- */
-static DEFINE_MUTEX(reg_mutex);
-
-/*
* Number of devices that registered to the core
* that support cellular base station regulatory hints
+ * (protected by RTNL)
*/
static int reg_num_devs_support_basehint;
-static inline void assert_reg_lock(void)
-{
- lockdep_assert_held(&reg_mutex);
-}
-
static const struct ieee80211_regdomain *get_cfg80211_regdom(void)
{
- return rcu_dereference_protected(cfg80211_regdomain,
- lockdep_is_held(&reg_mutex));
+ return rtnl_dereference(cfg80211_regdomain);
}
static const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy)
{
- return rcu_dereference_protected(wiphy->regd,
- lockdep_is_held(&reg_mutex));
+ return rtnl_dereference(wiphy->regd);
}
static void rcu_free_regdom(const struct ieee80211_regdomain *r)
@@ -140,8 +129,7 @@ static void rcu_free_regdom(const struct ieee80211_regdomain *r)
static struct regulatory_request *get_last_request(void)
{
- return rcu_dereference_check(last_request,
- lockdep_is_held(&reg_mutex));
+ return rcu_dereference_rtnl(last_request);
}
/* Used to queue up regulatory hints */
@@ -200,6 +188,7 @@ static const struct ieee80211_regdomain world_regdom = {
}
};
+/* protected by RTNL */
static const struct ieee80211_regdomain *cfg80211_world_regdom =
&world_regdom;
@@ -215,7 +204,7 @@ static void reset_regdomains(bool full_reset,
const struct ieee80211_regdomain *r;
struct regulatory_request *lr;
- assert_reg_lock();
+ ASSERT_RTNL();
r = get_cfg80211_regdom();
@@ -377,7 +366,7 @@ static void reg_regdb_search(struct work_struct *work)
const struct ieee80211_regdomain *curdom, *regdom = NULL;
int i;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
mutex_lock(&reg_regdb_search_mutex);
while (!list_empty(&reg_regdb_search_list)) {
@@ -402,7 +391,7 @@ static void reg_regdb_search(struct work_struct *work)
if (!IS_ERR_OR_NULL(regdom))
set_regdom(regdom);
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
}
static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
@@ -936,13 +925,7 @@ static bool reg_request_cell_base(struct regulatory_request *request)
bool reg_last_request_cell_base(void)
{
- bool val;
-
- mutex_lock(&reg_mutex);
- val = reg_request_cell_base(get_last_request());
- mutex_unlock(&reg_mutex);
-
- return val;
+ return reg_request_cell_base(get_last_request());
}
#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS
@@ -1225,7 +1208,7 @@ static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
struct cfg80211_registered_device *rdev;
struct wiphy *wiphy;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
wiphy = &rdev->wiphy;
@@ -1362,7 +1345,7 @@ get_reg_request_treatment(struct wiphy *wiphy,
return REG_REQ_OK;
return REG_REQ_ALREADY_SET;
}
- return 0;
+ return REG_REQ_OK;
case NL80211_REGDOM_SET_BY_DRIVER:
if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) {
if (regdom_changes(pending_request->alpha2))
@@ -1444,8 +1427,6 @@ static void reg_set_request_processed(void)
* what it believes should be the current regulatory domain.
*
* Returns one of the different reg request treatment values.
- *
- * Caller must hold &reg_mutex
*/
static enum reg_request_treatment
__regulatory_hint(struct wiphy *wiphy,
@@ -1570,21 +1551,19 @@ static void reg_process_pending_hints(void)
{
struct regulatory_request *reg_request, *lr;
- mutex_lock(&cfg80211_mutex);
- mutex_lock(&reg_mutex);
lr = get_last_request();
/* When last_request->processed becomes true this will be rescheduled */
if (lr && !lr->processed) {
REG_DBG_PRINT("Pending regulatory request, waiting for it to be processed...\n");
- goto out;
+ return;
}
spin_lock(&reg_requests_lock);
if (list_empty(&reg_requests_list)) {
spin_unlock(&reg_requests_lock);
- goto out;
+ return;
}
reg_request = list_first_entry(&reg_requests_list,
@@ -1595,10 +1574,6 @@ static void reg_process_pending_hints(void)
spin_unlock(&reg_requests_lock);
reg_process_hint(reg_request, reg_request->initiator);
-
-out:
- mutex_unlock(&reg_mutex);
- mutex_unlock(&cfg80211_mutex);
}
/* Processes beacon hints -- this has nothing to do with country IEs */
@@ -1607,9 +1582,6 @@ static void reg_process_pending_beacon_hints(void)
struct cfg80211_registered_device *rdev;
struct reg_beacon *pending_beacon, *tmp;
- mutex_lock(&cfg80211_mutex);
- mutex_lock(&reg_mutex);
-
/* This goes through the _pending_ beacon list */
spin_lock_bh(&reg_pending_beacons_lock);
@@ -1626,14 +1598,14 @@ static void reg_process_pending_beacon_hints(void)
}
spin_unlock_bh(&reg_pending_beacons_lock);
- mutex_unlock(&reg_mutex);
- mutex_unlock(&cfg80211_mutex);
}
static void reg_todo(struct work_struct *work)
{
+ rtnl_lock();
reg_process_pending_hints();
reg_process_pending_beacon_hints();
+ rtnl_unlock();
}
static void queue_regulatory_request(struct regulatory_request *request)
@@ -1717,29 +1689,23 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
}
EXPORT_SYMBOL(regulatory_hint);
-/*
- * We hold wdev_lock() here so we cannot hold cfg80211_mutex() and
- * therefore cannot iterate over the rdev list here.
- */
void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band,
const u8 *country_ie, u8 country_ie_len)
{
char alpha2[2];
enum environment_cap env = ENVIRON_ANY;
- struct regulatory_request *request, *lr;
-
- mutex_lock(&reg_mutex);
- lr = get_last_request();
-
- if (unlikely(!lr))
- goto out;
+ struct regulatory_request *request = NULL, *lr;
/* IE len must be evenly divisible by 2 */
if (country_ie_len & 0x01)
- goto out;
+ return;
if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
- goto out;
+ return;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (!request)
+ return;
alpha2[0] = country_ie[0];
alpha2[1] = country_ie[1];
@@ -1749,19 +1715,21 @@ void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band,
else if (country_ie[2] == 'O')
env = ENVIRON_OUTDOOR;
+ rcu_read_lock();
+ lr = get_last_request();
+
+ if (unlikely(!lr))
+ goto out;
+
/*
* We will run this only upon a successful connection on cfg80211.
* We leave conflict resolution to the workqueue, where can hold
- * cfg80211_mutex.
+ * the RTNL.
*/
if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->wiphy_idx != WIPHY_IDX_INVALID)
goto out;
- request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL);
- if (!request)
- goto out;
-
request->wiphy_idx = get_wiphy_idx(wiphy);
request->alpha2[0] = alpha2[0];
request->alpha2[1] = alpha2[1];
@@ -1769,8 +1737,10 @@ void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band,
request->country_ie_env = env;
queue_regulatory_request(request);
+ request = NULL;
out:
- mutex_unlock(&reg_mutex);
+ kfree(request);
+ rcu_read_unlock();
}
static void restore_alpha2(char *alpha2, bool reset_user)
@@ -1858,8 +1828,7 @@ static void restore_regulatory_settings(bool reset_user)
LIST_HEAD(tmp_reg_req_list);
struct cfg80211_registered_device *rdev;
- mutex_lock(&cfg80211_mutex);
- mutex_lock(&reg_mutex);
+ ASSERT_RTNL();
reset_regdomains(true, &world_regdom);
restore_alpha2(alpha2, reset_user);
@@ -1914,9 +1883,6 @@ static void restore_regulatory_settings(bool reset_user)
list_splice_tail_init(&tmp_reg_req_list, &reg_requests_list);
spin_unlock(&reg_requests_lock);
- mutex_unlock(&reg_mutex);
- mutex_unlock(&cfg80211_mutex);
-
REG_DBG_PRINT("Kicking the queue\n");
schedule_work(&reg_work);
@@ -2231,7 +2197,6 @@ int set_regdom(const struct ieee80211_regdomain *rd)
struct regulatory_request *lr;
int r;
- mutex_lock(&reg_mutex);
lr = get_last_request();
/* Note that this doesn't update the wiphys, this is done below */
@@ -2241,14 +2206,12 @@ int set_regdom(const struct ieee80211_regdomain *rd)
reg_set_request_processed();
kfree(rd);
- goto out;
+ return r;
}
/* This would make this whole thing pointless */
- if (WARN_ON(!lr->intersect && rd != get_cfg80211_regdom())) {
- r = -EINVAL;
- goto out;
- }
+ if (WARN_ON(!lr->intersect && rd != get_cfg80211_regdom()))
+ return -EINVAL;
/* update all wiphys now with the new established regulatory domain */
update_all_wiphy_regulatory(lr->initiator);
@@ -2259,10 +2222,7 @@ int set_regdom(const struct ieee80211_regdomain *rd)
reg_set_request_processed();
- out:
- mutex_unlock(&reg_mutex);
-
- return r;
+ return 0;
}
int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
@@ -2287,23 +2247,17 @@ int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
void wiphy_regulatory_register(struct wiphy *wiphy)
{
- mutex_lock(&reg_mutex);
-
if (!reg_dev_ignore_cell_hint(wiphy))
reg_num_devs_support_basehint++;
wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
-
- mutex_unlock(&reg_mutex);
}
-/* Caller must hold cfg80211_mutex */
void wiphy_regulatory_deregister(struct wiphy *wiphy)
{
struct wiphy *request_wiphy = NULL;
struct regulatory_request *lr;
- mutex_lock(&reg_mutex);
lr = get_last_request();
if (!reg_dev_ignore_cell_hint(wiphy))
@@ -2316,12 +2270,10 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy)
request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
if (!request_wiphy || request_wiphy != wiphy)
- goto out;
+ return;
lr->wiphy_idx = WIPHY_IDX_INVALID;
lr->country_ie_env = ENVIRON_ANY;
-out:
- mutex_unlock(&reg_mutex);
}
static void reg_timeout_work(struct work_struct *work)
@@ -2385,9 +2337,9 @@ void regulatory_exit(void)
cancel_delayed_work_sync(&reg_timeout);
/* Lock to suppress warnings */
- mutex_lock(&reg_mutex);
+ rtnl_lock();
reset_regdomains(true, NULL);
- mutex_unlock(&reg_mutex);
+ rtnl_unlock();
dev_set_uevent_suppress(&reg_pdev->dev, true);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index fd99ea4..ae8c186 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -169,7 +169,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
union iwreq_data wrqu;
#endif
- lockdep_assert_held(&rdev->sched_scan_mtx);
+ ASSERT_RTNL();
request = rdev->scan_req;
@@ -230,9 +230,9 @@ void __cfg80211_scan_done(struct work_struct *wk)
rdev = container_of(wk, struct cfg80211_registered_device,
scan_done_wk);
- mutex_lock(&rdev->sched_scan_mtx);
+ rtnl_lock();
___cfg80211_scan_done(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
+ rtnl_unlock();
}
void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
@@ -241,6 +241,7 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
request->aborted = aborted;
+ request->notified = true;
queue_work(cfg80211_wq, &wiphy_to_dev(request->wiphy)->scan_done_wk);
}
EXPORT_SYMBOL(cfg80211_scan_done);
@@ -255,7 +256,7 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
request = rdev->sched_scan_req;
- mutex_lock(&rdev->sched_scan_mtx);
+ rtnl_lock();
/* we don't have sched_scan_req anymore if the scan is stopping */
if (request) {
@@ -270,7 +271,7 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
nl80211_send_sched_scan_results(rdev, request->dev);
}
- mutex_unlock(&rdev->sched_scan_mtx);
+ rtnl_unlock();
}
void cfg80211_sched_scan_results(struct wiphy *wiphy)
@@ -289,9 +290,9 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
trace_cfg80211_sched_scan_stopped(wiphy);
- mutex_lock(&rdev->sched_scan_mtx);
+ rtnl_lock();
__cfg80211_stop_sched_scan(rdev, true);
- mutex_unlock(&rdev->sched_scan_mtx);
+ rtnl_unlock();
}
EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
@@ -300,7 +301,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
{
struct net_device *dev;
- lockdep_assert_held(&rdev->sched_scan_mtx);
+ ASSERT_RTNL();
if (!rdev->sched_scan_req)
return -ENOENT;
@@ -522,6 +523,7 @@ static int cmp_bss(struct cfg80211_bss *a,
}
}
+/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
const u8 *bssid,
@@ -677,6 +679,7 @@ static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev,
return true;
}
+/* Returned bss is reference counted and must be cleaned up appropriately. */
static struct cfg80211_internal_bss *
cfg80211_bss_update(struct cfg80211_registered_device *dev,
struct cfg80211_internal_bss *tmp)
@@ -865,6 +868,7 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
return channel;
}
+/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss*
cfg80211_inform_bss(struct wiphy *wiphy,
struct ieee80211_channel *channel,
@@ -922,6 +926,7 @@ cfg80211_inform_bss(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_inform_bss);
+/* Returned bss is reference counted and must be cleaned up appropriately. */
struct cfg80211_bss *
cfg80211_inform_bss_frame(struct wiphy *wiphy,
struct ieee80211_channel *channel,
@@ -1040,6 +1045,25 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
EXPORT_SYMBOL(cfg80211_unlink_bss);
#ifdef CONFIG_CFG80211_WEXT
+static struct cfg80211_registered_device *
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+
+ ASSERT_RTNL();
+
+ dev = dev_get_by_index(net, ifindex);
+ if (!dev)
+ return ERR_PTR(-ENODEV);
+ if (dev->ieee80211_ptr)
+ rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
+ else
+ rdev = ERR_PTR(-ENODEV);
+ dev_put(dev);
+ return rdev;
+}
+
int cfg80211_wext_siwscan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
@@ -1062,7 +1086,6 @@ int cfg80211_wext_siwscan(struct net_device *dev,
if (IS_ERR(rdev))
return PTR_ERR(rdev);
- mutex_lock(&rdev->sched_scan_mtx);
if (rdev->scan_req) {
err = -EBUSY;
goto out;
@@ -1169,9 +1192,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
dev_hold(dev);
}
out:
- mutex_unlock(&rdev->sched_scan_mtx);
kfree(creq);
- cfg80211_unlock_rdev(rdev);
return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan);
@@ -1470,10 +1491,8 @@ int cfg80211_wext_giwscan(struct net_device *dev,
if (IS_ERR(rdev))
return PTR_ERR(rdev);
- if (rdev->scan_req) {
- res = -EAGAIN;
- goto out;
- }
+ if (rdev->scan_req)
+ return -EAGAIN;
res = ieee80211_scan_results(rdev, info, extra, data->length);
data->length = 0;
@@ -1482,8 +1501,6 @@ int cfg80211_wext_giwscan(struct net_device *dev,
res = 0;
}
- out:
- cfg80211_unlock_rdev(rdev);
return res;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_giwscan);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 3ed35c3..1d3cfb1 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -1,5 +1,7 @@
/*
- * SME code for cfg80211's connect emulation.
+ * SME code for cfg80211
+ * both driver SME event handling and the SME implementation
+ * (for nl80211's connect() and wext)
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright (C) 2009 Intel Corporation. All rights reserved.
@@ -18,18 +20,24 @@
#include "reg.h"
#include "rdev-ops.h"
+/*
+ * Software SME in cfg80211, using auth/assoc/deauth calls to the
+ * driver. This is is for implementing nl80211's connect/disconnect
+ * and wireless extensions (if configured.)
+ */
+
struct cfg80211_conn {
struct cfg80211_connect_params params;
/* these are sub-states of the _CONNECTING sme_state */
enum {
- CFG80211_CONN_IDLE,
CFG80211_CONN_SCANNING,
CFG80211_CONN_SCAN_AGAIN,
CFG80211_CONN_AUTHENTICATE_NEXT,
CFG80211_CONN_AUTHENTICATING,
CFG80211_CONN_ASSOCIATE_NEXT,
CFG80211_CONN_ASSOCIATING,
- CFG80211_CONN_DEAUTH_ASSOC_FAIL,
+ CFG80211_CONN_DEAUTH,
+ CFG80211_CONN_CONNECTED,
} state;
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 *ie;
@@ -37,45 +45,16 @@ struct cfg80211_conn {
bool auto_auth, prev_bssid_valid;
};
-static bool cfg80211_is_all_idle(void)
-{
- struct cfg80211_registered_device *rdev;
- struct wireless_dev *wdev;
- bool is_all_idle = true;
-
- mutex_lock(&cfg80211_mutex);
-
- /*
- * All devices must be idle as otherwise if you are actively
- * scanning some new beacon hints could be learned and would
- * count as new regulatory hints.
- */
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
- cfg80211_lock_rdev(rdev);
- list_for_each_entry(wdev, &rdev->wdev_list, list) {
- wdev_lock(wdev);
- if (wdev->sme_state != CFG80211_SME_IDLE)
- is_all_idle = false;
- wdev_unlock(wdev);
- }
- cfg80211_unlock_rdev(rdev);
- }
-
- mutex_unlock(&cfg80211_mutex);
-
- return is_all_idle;
-}
-
-static void disconnect_work(struct work_struct *work)
+static void cfg80211_sme_free(struct wireless_dev *wdev)
{
- if (!cfg80211_is_all_idle())
+ if (!wdev->conn)
return;
- regulatory_hint_disconnect();
+ kfree(wdev->conn->ie);
+ kfree(wdev->conn);
+ wdev->conn = NULL;
}
-static DECLARE_WORK(cfg80211_disconnect_work, disconnect_work);
-
static int cfg80211_conn_scan(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
@@ -85,7 +64,6 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
ASSERT_RTNL();
ASSERT_RDEV_LOCK(rdev);
ASSERT_WDEV_LOCK(wdev);
- lockdep_assert_held(&rdev->sched_scan_mtx);
if (rdev->scan_req)
return -EBUSY;
@@ -171,18 +149,21 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
params = &wdev->conn->params;
switch (wdev->conn->state) {
+ case CFG80211_CONN_SCANNING:
+ /* didn't find it during scan ... */
+ return -ENOENT;
case CFG80211_CONN_SCAN_AGAIN:
return cfg80211_conn_scan(wdev);
case CFG80211_CONN_AUTHENTICATE_NEXT:
BUG_ON(!rdev->ops->auth);
wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
- return __cfg80211_mlme_auth(rdev, wdev->netdev,
- params->channel, params->auth_type,
- params->bssid,
- params->ssid, params->ssid_len,
- NULL, 0,
- params->key, params->key_len,
- params->key_idx, NULL, 0);
+ return cfg80211_mlme_auth(rdev, wdev->netdev,
+ params->channel, params->auth_type,
+ params->bssid,
+ params->ssid, params->ssid_len,
+ NULL, 0,
+ params->key, params->key_len,
+ params->key_idx, NULL, 0);
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!rdev->ops->assoc);
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
@@ -198,21 +179,20 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
req.vht_capa = params->vht_capa;
req.vht_capa_mask = params->vht_capa_mask;
- err = __cfg80211_mlme_assoc(rdev, wdev->netdev, params->channel,
- params->bssid, params->ssid,
- params->ssid_len, &req);
+ err = cfg80211_mlme_assoc(rdev, wdev->netdev, params->channel,
+ params->bssid, params->ssid,
+ params->ssid_len, &req);
if (err)
- __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
- NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING,
- false);
+ cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+ NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING,
+ false);
return err;
- case CFG80211_CONN_DEAUTH_ASSOC_FAIL:
- __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
- NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING, false);
- /* return an error so that we call __cfg80211_connect_result() */
- return -EINVAL;
+ case CFG80211_CONN_DEAUTH:
+ cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+ NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING, false);
+ return 0;
default:
return 0;
}
@@ -226,9 +206,6 @@ void cfg80211_conn_work(struct work_struct *work)
u8 bssid_buf[ETH_ALEN], *bssid = NULL;
rtnl_lock();
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (!wdev->netdev)
@@ -239,7 +216,8 @@ void cfg80211_conn_work(struct work_struct *work)
wdev_unlock(wdev);
continue;
}
- if (wdev->sme_state != CFG80211_SME_CONNECTING || !wdev->conn) {
+ if (!wdev->conn ||
+ wdev->conn->state == CFG80211_CONN_CONNECTED) {
wdev_unlock(wdev);
continue;
}
@@ -247,21 +225,21 @@ void cfg80211_conn_work(struct work_struct *work)
memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN);
bssid = bssid_buf;
}
- if (cfg80211_conn_do_work(wdev))
+ if (cfg80211_conn_do_work(wdev)) {
__cfg80211_connect_result(
wdev->netdev, bssid,
NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
false, NULL);
+ cfg80211_sme_free(wdev);
+ }
wdev_unlock(wdev);
}
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
+/* Returned bss is reference counted and must be cleaned up appropriately. */
static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
@@ -299,9 +277,6 @@ static void __cfg80211_sme_scan_done(struct net_device *dev)
ASSERT_WDEV_LOCK(wdev);
- if (wdev->sme_state != CFG80211_SME_CONNECTING)
- return;
-
if (!wdev->conn)
return;
@@ -310,20 +285,10 @@ static void __cfg80211_sme_scan_done(struct net_device *dev)
return;
bss = cfg80211_get_conn_bss(wdev);
- if (bss) {
+ if (bss)
cfg80211_put_bss(&rdev->wiphy, bss);
- } else {
- /* not found */
- if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)
- schedule_work(&rdev->conn_work);
- else
- __cfg80211_connect_result(
- wdev->netdev,
- wdev->conn->params.bssid,
- NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- false, NULL);
- }
+ else
+ schedule_work(&rdev->conn_work);
}
void cfg80211_sme_scan_done(struct net_device *dev)
@@ -335,10 +300,8 @@ void cfg80211_sme_scan_done(struct net_device *dev)
wdev_unlock(wdev);
}
-void cfg80211_sme_rx_auth(struct net_device *dev,
- const u8 *buf, size_t len)
+void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
@@ -346,11 +309,7 @@ void cfg80211_sme_rx_auth(struct net_device *dev,
ASSERT_WDEV_LOCK(wdev);
- /* should only RX auth frames when connecting */
- if (wdev->sme_state != CFG80211_SME_CONNECTING)
- return;
-
- if (WARN_ON(!wdev->conn))
+ if (!wdev->conn || wdev->conn->state == CFG80211_CONN_CONNECTED)
return;
if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
@@ -379,46 +338,227 @@ void cfg80211_sme_rx_auth(struct net_device *dev,
wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
schedule_work(&rdev->conn_work);
} else if (status_code != WLAN_STATUS_SUCCESS) {
- __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
+ __cfg80211_connect_result(wdev->netdev, mgmt->bssid,
+ NULL, 0, NULL, 0,
status_code, false, NULL);
- } else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
- wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
+ } else if (wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
schedule_work(&rdev->conn_work);
}
}
-bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev)
+bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status)
{
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
- if (WARN_ON(!wdev->conn))
+ if (!wdev->conn)
return false;
- if (!wdev->conn->prev_bssid_valid)
+ if (status == WLAN_STATUS_SUCCESS) {
+ wdev->conn->state = CFG80211_CONN_CONNECTED;
return false;
+ }
- /*
- * Some stupid APs don't accept reassoc, so we
- * need to fall back to trying regular assoc.
- */
- wdev->conn->prev_bssid_valid = false;
- wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
+ if (wdev->conn->prev_bssid_valid) {
+ /*
+ * Some stupid APs don't accept reassoc, so we
+ * need to fall back to trying regular assoc;
+ * return true so no event is sent to userspace.
+ */
+ wdev->conn->prev_bssid_valid = false;
+ wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
+ schedule_work(&rdev->conn_work);
+ return true;
+ }
+
+ wdev->conn->state = CFG80211_CONN_DEAUTH;
schedule_work(&rdev->conn_work);
+ return false;
+}
- return true;
+void cfg80211_sme_deauth(struct wireless_dev *wdev)
+{
+ cfg80211_sme_free(wdev);
}
-void cfg80211_sme_failed_assoc(struct wireless_dev *wdev)
+void cfg80211_sme_auth_timeout(struct wireless_dev *wdev)
{
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ cfg80211_sme_free(wdev);
+}
- wdev->conn->state = CFG80211_CONN_DEAUTH_ASSOC_FAIL;
+void cfg80211_sme_disassoc(struct wireless_dev *wdev)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+ if (!wdev->conn)
+ return;
+
+ wdev->conn->state = CFG80211_CONN_DEAUTH;
schedule_work(&rdev->conn_work);
}
+void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev)
+{
+ cfg80211_sme_disassoc(wdev);
+}
+
+static int cfg80211_sme_connect(struct wireless_dev *wdev,
+ struct cfg80211_connect_params *connect,
+ const u8 *prev_bssid)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct cfg80211_bss *bss;
+ int err;
+
+ if (!rdev->ops->auth || !rdev->ops->assoc)
+ return -EOPNOTSUPP;
+
+ if (wdev->current_bss)
+ return -EALREADY;
+
+ if (WARN_ON(wdev->conn))
+ return -EINPROGRESS;
+
+ wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
+ if (!wdev->conn)
+ return -ENOMEM;
+
+ /*
+ * Copy all parameters, and treat explicitly IEs, BSSID, SSID.
+ */
+ memcpy(&wdev->conn->params, connect, sizeof(*connect));
+ if (connect->bssid) {
+ wdev->conn->params.bssid = wdev->conn->bssid;
+ memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN);
+ }
+
+ if (connect->ie) {
+ wdev->conn->ie = kmemdup(connect->ie, connect->ie_len,
+ GFP_KERNEL);
+ wdev->conn->params.ie = wdev->conn->ie;
+ if (!wdev->conn->ie) {
+ kfree(wdev->conn);
+ wdev->conn = NULL;
+ return -ENOMEM;
+ }
+ }
+
+ if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
+ wdev->conn->auto_auth = true;
+ /* start with open system ... should mostly work */
+ wdev->conn->params.auth_type =
+ NL80211_AUTHTYPE_OPEN_SYSTEM;
+ } else {
+ wdev->conn->auto_auth = false;
+ }
+
+ wdev->conn->params.ssid = wdev->ssid;
+ wdev->conn->params.ssid_len = connect->ssid_len;
+
+ /* see if we have the bss already */
+ bss = cfg80211_get_conn_bss(wdev);
+
+ if (prev_bssid) {
+ memcpy(wdev->conn->prev_bssid, prev_bssid, ETH_ALEN);
+ wdev->conn->prev_bssid_valid = true;
+ }
+
+ /* we're good if we have a matching bss struct */
+ if (bss) {
+ wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
+ err = cfg80211_conn_do_work(wdev);
+ cfg80211_put_bss(wdev->wiphy, bss);
+ } else {
+ /* otherwise we'll need to scan for the AP first */
+ err = cfg80211_conn_scan(wdev);
+
+ /*
+ * If we can't scan right now, then we need to scan again
+ * after the current scan finished, since the parameters
+ * changed (unless we find a good AP anyway).
+ */
+ if (err == -EBUSY) {
+ err = 0;
+ wdev->conn->state = CFG80211_CONN_SCAN_AGAIN;
+ }
+ }
+
+ if (err)
+ cfg80211_sme_free(wdev);
+
+ return err;
+}
+
+static int cfg80211_sme_disconnect(struct wireless_dev *wdev, u16 reason)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ int err;
+
+ if (!wdev->conn)
+ return 0;
+
+ if (!rdev->ops->deauth)
+ return -EOPNOTSUPP;
+
+ if (wdev->conn->state == CFG80211_CONN_SCANNING ||
+ wdev->conn->state == CFG80211_CONN_SCAN_AGAIN) {
+ err = 0;
+ goto out;
+ }
+
+ /* wdev->conn->params.bssid must be set if > SCANNING */
+ err = cfg80211_mlme_deauth(rdev, wdev->netdev,
+ wdev->conn->params.bssid,
+ NULL, 0, reason, false);
+ out:
+ cfg80211_sme_free(wdev);
+ return err;
+}
+
+/*
+ * code shared for in-device and software SME
+ */
+
+static bool cfg80211_is_all_idle(void)
+{
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+ bool is_all_idle = true;
+
+ /*
+ * All devices must be idle as otherwise if you are actively
+ * scanning some new beacon hints could be learned and would
+ * count as new regulatory hints.
+ */
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ wdev_lock(wdev);
+ if (wdev->conn || wdev->current_bss)
+ is_all_idle = false;
+ wdev_unlock(wdev);
+ }
+ }
+
+ return is_all_idle;
+}
+
+static void disconnect_work(struct work_struct *work)
+{
+ rtnl_lock();
+ if (cfg80211_is_all_idle())
+ regulatory_hint_disconnect();
+ rtnl_unlock();
+}
+
+static DECLARE_WORK(cfg80211_disconnect_work, disconnect_work);
+
+
+/*
+ * API calls for drivers implementing connect/disconnect and
+ * SME event handling
+ */
+
+/* This method must consume bss one way or another */
void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
const u8 *req_ie, size_t req_ie_len,
const u8 *resp_ie, size_t resp_ie_len,
@@ -434,11 +574,10 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
- wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
- return;
-
- if (wdev->sme_state != CFG80211_SME_CONNECTING)
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) {
+ cfg80211_put_bss(wdev->wiphy, bss);
return;
+ }
nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev,
bssid, req_ie, req_ie_len,
@@ -476,38 +615,30 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
wdev->current_bss = NULL;
}
- if (wdev->conn)
- wdev->conn->state = CFG80211_CONN_IDLE;
-
if (status != WLAN_STATUS_SUCCESS) {
- wdev->sme_state = CFG80211_SME_IDLE;
- if (wdev->conn)
- kfree(wdev->conn->ie);
- kfree(wdev->conn);
- wdev->conn = NULL;
kfree(wdev->connect_keys);
wdev->connect_keys = NULL;
wdev->ssid_len = 0;
- cfg80211_put_bss(wdev->wiphy, bss);
+ if (bss) {
+ cfg80211_unhold_bss(bss_from_pub(bss));
+ cfg80211_put_bss(wdev->wiphy, bss);
+ }
return;
}
- if (!bss)
- bss = cfg80211_get_bss(wdev->wiphy,
- wdev->conn ? wdev->conn->params.channel :
- NULL,
- bssid,
+ if (!bss) {
+ WARN_ON_ONCE(!wiphy_to_dev(wdev->wiphy)->ops->connect);
+ bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
wdev->ssid, wdev->ssid_len,
WLAN_CAPABILITY_ESS,
WLAN_CAPABILITY_ESS);
+ if (WARN_ON(!bss))
+ return;
+ cfg80211_hold_bss(bss_from_pub(bss));
+ }
- if (WARN_ON(!bss))
- return;
-
- cfg80211_hold_bss(bss_from_pub(bss));
wdev->current_bss = bss_from_pub(bss);
- wdev->sme_state = CFG80211_SME_CONNECTED;
cfg80211_upload_connect_keys(wdev);
rcu_read_lock();
@@ -543,8 +674,6 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
struct cfg80211_event *ev;
unsigned long flags;
- CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING);
-
ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp);
if (!ev)
return;
@@ -571,6 +700,7 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
}
EXPORT_SYMBOL(cfg80211_connect_result);
+/* Consumes bss object one way or another */
void __cfg80211_roamed(struct wireless_dev *wdev,
struct cfg80211_bss *bss,
const u8 *req_ie, size_t req_ie_len,
@@ -585,14 +715,9 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
goto out;
- if (wdev->sme_state != CFG80211_SME_CONNECTED)
+ if (WARN_ON(!wdev->current_bss))
goto out;
- /* internal error -- how did we get to CONNECTED w/o BSS? */
- if (WARN_ON(!wdev->current_bss)) {
- goto out;
- }
-
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
wdev->current_bss = NULL;
@@ -641,8 +766,6 @@ void cfg80211_roamed(struct net_device *dev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss;
- CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED);
-
bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, wdev->ssid,
wdev->ssid_len, WLAN_CAPABILITY_ESS,
WLAN_CAPABILITY_ESS);
@@ -654,6 +777,7 @@ void cfg80211_roamed(struct net_device *dev,
}
EXPORT_SYMBOL(cfg80211_roamed);
+/* Consumes bss object one way or another */
void cfg80211_roamed_bss(struct net_device *dev,
struct cfg80211_bss *bss, const u8 *req_ie,
size_t req_ie_len, const u8 *resp_ie,
@@ -664,8 +788,6 @@ void cfg80211_roamed_bss(struct net_device *dev,
struct cfg80211_event *ev;
unsigned long flags;
- CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED);
-
if (WARN_ON(!bss))
return;
@@ -707,25 +829,14 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
- if (wdev->sme_state != CFG80211_SME_CONNECTED)
- return;
-
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
}
wdev->current_bss = NULL;
- wdev->sme_state = CFG80211_SME_IDLE;
wdev->ssid_len = 0;
- if (wdev->conn) {
- kfree(wdev->conn->ie);
- wdev->conn->ie = NULL;
- kfree(wdev->conn);
- wdev->conn = NULL;
- }
-
nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
/*
@@ -754,8 +865,6 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
struct cfg80211_event *ev;
unsigned long flags;
- CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED);
-
ev = kzalloc(sizeof(*ev) + ie_len, gfp);
if (!ev)
return;
@@ -773,21 +882,20 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
}
EXPORT_SYMBOL(cfg80211_disconnected);
-int __cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys,
- const u8 *prev_bssid)
+/*
+ * API calls for nl80211/wext compatibility code
+ */
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_connect_params *connect,
+ struct cfg80211_cached_keys *connkeys,
+ const u8 *prev_bssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_bss *bss = NULL;
int err;
ASSERT_WDEV_LOCK(wdev);
- if (wdev->sme_state != CFG80211_SME_IDLE)
- return -EALREADY;
-
if (WARN_ON(wdev->connect_keys)) {
kfree(wdev->connect_keys);
wdev->connect_keys = NULL;
@@ -823,219 +931,43 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
}
}
- if (!rdev->ops->connect) {
- if (!rdev->ops->auth || !rdev->ops->assoc)
- return -EOPNOTSUPP;
-
- if (WARN_ON(wdev->conn))
- return -EINPROGRESS;
-
- wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
- if (!wdev->conn)
- return -ENOMEM;
-
- /*
- * Copy all parameters, and treat explicitly IEs, BSSID, SSID.
- */
- memcpy(&wdev->conn->params, connect, sizeof(*connect));
- if (connect->bssid) {
- wdev->conn->params.bssid = wdev->conn->bssid;
- memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN);
- }
-
- if (connect->ie) {
- wdev->conn->ie = kmemdup(connect->ie, connect->ie_len,
- GFP_KERNEL);
- wdev->conn->params.ie = wdev->conn->ie;
- if (!wdev->conn->ie) {
- kfree(wdev->conn);
- wdev->conn = NULL;
- return -ENOMEM;
- }
- }
-
- if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
- wdev->conn->auto_auth = true;
- /* start with open system ... should mostly work */
- wdev->conn->params.auth_type =
- NL80211_AUTHTYPE_OPEN_SYSTEM;
- } else {
- wdev->conn->auto_auth = false;
- }
-
- memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
- wdev->ssid_len = connect->ssid_len;
- wdev->conn->params.ssid = wdev->ssid;
- wdev->conn->params.ssid_len = connect->ssid_len;
-
- /* see if we have the bss already */
- bss = cfg80211_get_conn_bss(wdev);
-
- wdev->sme_state = CFG80211_SME_CONNECTING;
- wdev->connect_keys = connkeys;
-
- if (prev_bssid) {
- memcpy(wdev->conn->prev_bssid, prev_bssid, ETH_ALEN);
- wdev->conn->prev_bssid_valid = true;
- }
-
- /* we're good if we have a matching bss struct */
- if (bss) {
- wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
- err = cfg80211_conn_do_work(wdev);
- cfg80211_put_bss(wdev->wiphy, bss);
- } else {
- /* otherwise we'll need to scan for the AP first */
- err = cfg80211_conn_scan(wdev);
- /*
- * If we can't scan right now, then we need to scan again
- * after the current scan finished, since the parameters
- * changed (unless we find a good AP anyway).
- */
- if (err == -EBUSY) {
- err = 0;
- wdev->conn->state = CFG80211_CONN_SCAN_AGAIN;
- }
- }
- if (err) {
- kfree(wdev->conn->ie);
- kfree(wdev->conn);
- wdev->conn = NULL;
- wdev->sme_state = CFG80211_SME_IDLE;
- wdev->connect_keys = NULL;
- wdev->ssid_len = 0;
- }
+ wdev->connect_keys = connkeys;
+ memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
+ wdev->ssid_len = connect->ssid_len;
- return err;
- } else {
- wdev->sme_state = CFG80211_SME_CONNECTING;
- wdev->connect_keys = connkeys;
+ if (!rdev->ops->connect)
+ err = cfg80211_sme_connect(wdev, connect, prev_bssid);
+ else
err = rdev_connect(rdev, dev, connect);
- if (err) {
- wdev->connect_keys = NULL;
- wdev->sme_state = CFG80211_SME_IDLE;
- return err;
- }
-
- memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
- wdev->ssid_len = connect->ssid_len;
- return 0;
+ if (err) {
+ wdev->connect_keys = NULL;
+ wdev->ssid_len = 0;
+ return err;
}
-}
-
-int cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys)
-{
- int err;
-
- mutex_lock(&rdev->devlist_mtx);
- /* might request scan - scan_mtx -> wdev_mtx dependency */
- mutex_lock(&rdev->sched_scan_mtx);
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL);
- wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- return err;
+ return 0;
}
-int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev, u16 reason, bool wextev)
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, u16 reason, bool wextev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
ASSERT_WDEV_LOCK(wdev);
- if (wdev->sme_state == CFG80211_SME_IDLE)
- return -EINVAL;
-
kfree(wdev->connect_keys);
wdev->connect_keys = NULL;
- if (!rdev->ops->disconnect) {
- if (!rdev->ops->deauth)
- return -EOPNOTSUPP;
-
- /* was it connected by userspace SME? */
- if (!wdev->conn) {
- cfg80211_mlme_down(rdev, dev);
- goto disconnect;
- }
-
- if (wdev->sme_state == CFG80211_SME_CONNECTING &&
- (wdev->conn->state == CFG80211_CONN_SCANNING ||
- wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) {
- wdev->sme_state = CFG80211_SME_IDLE;
- kfree(wdev->conn->ie);
- kfree(wdev->conn);
- wdev->conn = NULL;
- wdev->ssid_len = 0;
- return 0;
- }
-
- /* wdev->conn->params.bssid must be set if > SCANNING */
- err = __cfg80211_mlme_deauth(rdev, dev,
- wdev->conn->params.bssid,
- NULL, 0, reason, false);
- if (err)
- return err;
+ if (wdev->conn) {
+ err = cfg80211_sme_disconnect(wdev, reason);
+ } else if (!rdev->ops->disconnect) {
+ cfg80211_mlme_down(rdev, dev);
+ err = 0;
} else {
err = rdev_disconnect(rdev, dev, reason);
- if (err)
- return err;
}
- disconnect:
- if (wdev->sme_state == CFG80211_SME_CONNECTED)
- __cfg80211_disconnected(dev, NULL, 0, 0, false);
- else if (wdev->sme_state == CFG80211_SME_CONNECTING)
- __cfg80211_connect_result(dev, NULL, NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- wextev, NULL);
-
- return 0;
-}
-
-int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- u16 reason, bool wextev)
-{
- int err;
-
- wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_disconnect(rdev, dev, reason, wextev);
- wdev_unlock(dev->ieee80211_ptr);
-
return err;
}
-
-void cfg80211_sme_disassoc(struct net_device *dev,
- struct cfg80211_internal_bss *bss)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
- u8 bssid[ETH_ALEN];
-
- ASSERT_WDEV_LOCK(wdev);
-
- if (!wdev->conn)
- return;
-
- if (wdev->conn->state == CFG80211_CONN_IDLE)
- return;
-
- /*
- * Ok, so the association was made by this SME -- we don't
- * want it any more so deauthenticate too.
- */
-
- memcpy(bssid, bss->pub.bssid, ETH_ALEN);
-
- __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
- WLAN_REASON_DEAUTH_LEAVING, false);
-}
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 8f28b9f..a23253e 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -83,6 +83,7 @@ static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
+#ifdef CONFIG_PM
static void cfg80211_leave_all(struct cfg80211_registered_device *rdev)
{
struct wireless_dev *wdev;
@@ -100,10 +101,10 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
rtnl_lock();
if (rdev->wiphy.registered) {
- if (!rdev->wowlan)
+ if (!rdev->wiphy.wowlan_config)
cfg80211_leave_all(rdev);
if (rdev->ops->suspend)
- ret = rdev_suspend(rdev, rdev->wowlan);
+ ret = rdev_suspend(rdev, rdev->wiphy.wowlan_config);
if (ret == 1) {
/* Driver refuse to configure wowlan */
cfg80211_leave_all(rdev);
@@ -132,6 +133,7 @@ static int wiphy_resume(struct device *dev)
return ret;
}
+#endif
static const void *wiphy_namespace(struct device *d)
{
@@ -146,8 +148,10 @@ struct class ieee80211_class = {
.dev_release = wiphy_dev_release,
.dev_attrs = ieee80211_dev_attrs,
.dev_uevent = wiphy_uevent,
+#ifdef CONFIG_PM
.suspend = wiphy_suspend,
.resume = wiphy_resume,
+#endif
.ns_type = &net_ns_type_operations,
.namespace = wiphy_namespace,
};
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 5755bc1..e1534baf 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -1911,24 +1911,46 @@ TRACE_EVENT(cfg80211_send_rx_assoc,
NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG)
);
-DEFINE_EVENT(netdev_evt_only, __cfg80211_send_deauth,
- TP_PROTO(struct net_device *netdev),
- TP_ARGS(netdev)
+DECLARE_EVENT_CLASS(netdev_frame_event,
+ TP_PROTO(struct net_device *netdev, const u8 *buf, int len),
+ TP_ARGS(netdev, buf, len),
+ TP_STRUCT__entry(
+ NETDEV_ENTRY
+ __dynamic_array(u8, frame, len)
+ ),
+ TP_fast_assign(
+ NETDEV_ASSIGN;
+ memcpy(__get_dynamic_array(frame), buf, len);
+ ),
+ TP_printk(NETDEV_PR_FMT ", ftype:0x%.2x",
+ NETDEV_PR_ARG,
+ le16_to_cpup((__le16 *)__get_dynamic_array(frame)))
);
-DEFINE_EVENT(netdev_evt_only, __cfg80211_send_disassoc,
- TP_PROTO(struct net_device *netdev),
- TP_ARGS(netdev)
+DEFINE_EVENT(netdev_frame_event, cfg80211_rx_unprot_mlme_mgmt,
+ TP_PROTO(struct net_device *netdev, const u8 *buf, int len),
+ TP_ARGS(netdev, buf, len)
);
-DEFINE_EVENT(netdev_evt_only, cfg80211_send_unprot_deauth,
- TP_PROTO(struct net_device *netdev),
- TP_ARGS(netdev)
+DEFINE_EVENT(netdev_frame_event, cfg80211_rx_mlme_mgmt,
+ TP_PROTO(struct net_device *netdev, const u8 *buf, int len),
+ TP_ARGS(netdev, buf, len)
);
-DEFINE_EVENT(netdev_evt_only, cfg80211_send_unprot_disassoc,
- TP_PROTO(struct net_device *netdev),
- TP_ARGS(netdev)
+TRACE_EVENT(cfg80211_tx_mlme_mgmt,
+ TP_PROTO(struct net_device *netdev, const u8 *buf, int len),
+ TP_ARGS(netdev, buf, len),
+ TP_STRUCT__entry(
+ NETDEV_ENTRY
+ __dynamic_array(u8, frame, len)
+ ),
+ TP_fast_assign(
+ NETDEV_ASSIGN;
+ memcpy(__get_dynamic_array(frame), buf, len);
+ ),
+ TP_printk(NETDEV_PR_FMT ", ftype:0x%.2x",
+ NETDEV_PR_ARG,
+ le16_to_cpup((__le16 *)__get_dynamic_array(frame)))
);
DECLARE_EVENT_CLASS(netdev_mac_evt,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index f5ad4d9..74458b7 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -33,6 +33,29 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
+{
+ struct ieee80211_rate *bitrates;
+ u32 mandatory_rates = 0;
+ enum ieee80211_rate_flags mandatory_flag;
+ int i;
+
+ if (WARN_ON(!sband))
+ return 1;
+
+ if (sband->band == IEEE80211_BAND_2GHZ)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ else
+ mandatory_flag = IEEE80211_RATE_MANDATORY_A;
+
+ bitrates = sband->bitrates;
+ for (i = 0; i < sband->n_bitrates; i++)
+ if (bitrates[i].flags & mandatory_flag)
+ mandatory_rates |= BIT(i);
+ return mandatory_rates;
+}
+EXPORT_SYMBOL(ieee80211_mandatory_rates);
+
int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band)
{
/* see 802.11 17.3.8.3.2 and Annex J
@@ -785,12 +808,8 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev)
ASSERT_RTNL();
ASSERT_RDEV_LOCK(rdev);
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list)
cfg80211_process_wdev_events(wdev);
-
- mutex_unlock(&rdev->devlist_mtx);
}
int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
@@ -822,10 +841,8 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
if (ntype != otype && netif_running(dev)) {
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
ntype);
- mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
@@ -841,8 +858,10 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
+ wdev_lock(dev->ieee80211_ptr);
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
+ wdev_unlock(dev->ieee80211_ptr);
break;
case NL80211_IFTYPE_MESH_POINT:
/* mesh should be handled? */
@@ -1169,6 +1188,9 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
case 84:
*band = IEEE80211_BAND_2GHZ;
return true;
+ case 180:
+ *band = IEEE80211_BAND_60GHZ;
+ return true;
}
return false;
@@ -1184,8 +1206,6 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
if (!beacon_int)
return -EINVAL;
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (!wdev->beacon_interval)
continue;
@@ -1195,8 +1215,6 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
}
}
- mutex_unlock(&rdev->devlist_mtx);
-
return res;
}
@@ -1220,7 +1238,6 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
int i, j;
ASSERT_RTNL();
- lockdep_assert_held(&rdev->devlist_mtx);
if (WARN_ON(hweight32(radar_detect) > 1))
return -EINVAL;
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index d997d0f..e7c6e86 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -72,7 +72,6 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
struct cfg80211_registered_device *rdev;
struct vif_params vifparams;
enum nl80211_iftype type;
- int ret;
rdev = wiphy_to_dev(wdev->wiphy);
@@ -98,11 +97,7 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
memset(&vifparams, 0, sizeof(vifparams));
- cfg80211_lock_rdev(rdev);
- ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
- cfg80211_unlock_rdev(rdev);
-
- return ret;
+ return cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
@@ -579,13 +574,10 @@ static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
{
int err;
- /* devlist mutex needed for possible IBSS re-join */
- mutex_lock(&rdev->devlist_mtx);
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
remove, tx_key, idx, params);
wdev_unlock(dev->ieee80211_ptr);
- mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -787,7 +779,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
struct cfg80211_chan_def chandef = {
.width = NL80211_CHAN_WIDTH_20_NOHT,
};
- int freq, err;
+ int freq;
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
@@ -804,10 +796,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
if (!chandef.chan)
return -EINVAL;
- mutex_lock(&rdev->devlist_mtx);
- err = cfg80211_set_monitor_channel(rdev, &chandef);
- mutex_unlock(&rdev->devlist_mtx);
- return err;
+ return cfg80211_set_monitor_channel(rdev, &chandef);
case NL80211_IFTYPE_MESH_POINT:
freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
if (freq < 0)
@@ -818,10 +807,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
if (!chandef.chan)
return -EINVAL;
- mutex_lock(&rdev->devlist_mtx);
- err = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
- mutex_unlock(&rdev->devlist_mtx);
- return err;
+ return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
default:
return -EOPNOTSUPP;
}
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index e79cb5c..14c9a25 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -54,8 +54,8 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
if (wdev->wext.prev_bssid_valid)
prev_bssid = wdev->wext.prev_bssid;
- err = __cfg80211_connect(rdev, wdev->netdev,
- &wdev->wext.connect, ck, prev_bssid);
+ err = cfg80211_connect(rdev, wdev->netdev,
+ &wdev->wext.connect, ck, prev_bssid);
if (err)
kfree(ck);
@@ -87,12 +87,9 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
return -EINVAL;
}
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
- if (wdev->sme_state != CFG80211_SME_IDLE) {
+ if (wdev->conn) {
bool event = true;
if (wdev->wext.connect.channel == chan) {
@@ -103,8 +100,8 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
/* if SSID set, we'll try right again, avoid event */
if (wdev->wext.connect.ssid_len)
event = false;
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, event);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
goto out;
}
@@ -136,9 +133,6 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
return err;
}
@@ -190,14 +184,11 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
if (len > 0 && ssid[len - 1] == '\0')
len--;
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
err = 0;
- if (wdev->sme_state != CFG80211_SME_IDLE) {
+ if (wdev->conn) {
bool event = true;
if (wdev->wext.connect.ssid && len &&
@@ -208,8 +199,8 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
/* if SSID set now, we'll try to connect, avoid event */
if (len)
event = false;
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, event);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, event);
if (err)
goto out;
}
@@ -226,9 +217,6 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
return err;
}
@@ -287,12 +275,9 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
bssid = NULL;
- cfg80211_lock_rdev(rdev);
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
- if (wdev->sme_state != CFG80211_SME_IDLE) {
+ if (wdev->conn) {
err = 0;
/* both automatic */
if (!bssid && !wdev->wext.connect.bssid)
@@ -303,8 +288,8 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
ether_addr_equal(bssid, wdev->wext.connect.bssid))
goto out;
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
goto out;
}
@@ -318,9 +303,6 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
wdev_unlock(wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
- cfg80211_unlock_rdev(rdev);
return err;
}
@@ -382,9 +364,9 @@ int cfg80211_wext_siwgenie(struct net_device *dev,
wdev->wext.ie = ie;
wdev->wext.ie_len = ie_len;
- if (wdev->sme_state != CFG80211_SME_IDLE) {
- err = __cfg80211_disconnect(rdev, dev,
- WLAN_REASON_DEAUTH_LEAVING, false);
+ if (wdev->conn) {
+ err = cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, false);
if (err)
goto out;
}
@@ -420,8 +402,7 @@ int cfg80211_wext_siwmlme(struct net_device *dev,
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
case IW_MLME_DISASSOC:
- err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
- true);
+ err = cfg80211_disconnect(rdev, dev, mlme->reason_code, true);
break;
default:
err = -EOPNOTSUPP;
generated by cgit v0.10.2 at 2024-11-15 23:26:39 (GMT)